There are different approaches people can take towards the idea of 
changing or improving how they function socially.  The biggest one is 
the idea of being true to your natural preferences and tendencies and 
not trying to change them for other people.  This article will talk 
about that.  
The other two general philosophies towards changing are to try and 
truly 
alter 
your personality, and to consciously be 
pragmatic 
about how the social world is set up and adapt in order to get what you 
want out of it.  Most people won't go all in on just one approach.  
They'll apply different philosophies to different areas depending on 
what's important to them.
General outline of the Be True To Yourself approach
This one doesn't need a ton of explanation.  The idea behind it is 
that in social situations, it's better to be true to whatever your 
'default settings' are.  There are a few reasons for this.  First, this 
philosophy believes people will just be happier this way, and that 
trying to change can cause problems.  I would tend to agree. 
Second, it has an inherent assumption that people have a variety of 
orientations towards socializing, and one type isn't better or worse 
than another.  Preferring to spend your weekends reading at the cottage 
isn't inferior to wanting to be hang out with six friends at all times. 
Some common areas where people want to be true to themselves are: 
- Liking a lot of alone time
 
- Not being into wild, boisterous social events
 
- Not being thrilled with rote, superficial types of socializing
 
- Having interests that most people don't have, or that others even 
think are odd or pointless
 
- Not being interested in things many people like, such as team sports
 or pop culture
 
- Having an overall personality that many people would consider quirky
 or different
 
- Their core values, beliefs, and philosophies about life (e.g., 
political or religious beliefs, value systems)
 
- Anything that goes against the social norm, and where they pick up a
 message that it would be better if they brought themselves around to be
 more like everyone else
 
If you can swing it, being true to yourself is the best way to go
Out of the three philosophies towards changing - this one, being 
pragmatic, and truly trying to change - this is the best option.  It's 
just better for people's souls to do what comes naturally and not feel 
like they have to change or compromise to get by in the world.  Even 
when being true to yourself creates some friction, it's often worth it 
in exchange for being able to live day to day knowing you're staying 
true to your values.  
The big question is whether it's feasible to be totally, completely 
true to yourself at all times.  Different people will think about that 
question themselves and come to their own conclusions.  I'll talk about 
that more below.  
Benefits of being true to yourself
Aside from the general peace of mind it can bring, being true to 
yourself can be the way to go for other reasons.  
Some things you just shouldn't have to change
Some things are too central to a person's identity to change for 
social reasons.  For example, a person's religious beliefs or sexual 
identity may lead them to look or act in a way that's different from 
your typical person.  There are intolerant people in the world who may 
not like that.  
If someone was 100% cold, practical, and pragmatic they may say, 
"Well on a day to day basis it would be easier for that person to just 
dress and act in a way that's more acceptable to the mainstream."  Uh, 
no.  People shouldn't have to submerge their core identities just 
because it may be superficially practical.  I mean it's one thing to 
say, "Hm, I have a bad habit of arguing with people too much, I'll try 
to cut that out."  It's another to go, "I'll stop dressing in accordance
 with my religious values because some people may not be sure how to 
take it."
Almost everyone can find a niche they fit into 
It's not true that if someone is different from the norm, their only 
option is to conform or be lonely and left out in the cold.  Whatever 
you're like, and whatever you're into, you can probably find a group of 
like-minded people to fall in with if you look hard enough (even if 
there aren't people physically in your area, there's always the 
internet).  People naturally sort themselves into groups based on 
similarities.  Obviously, you're going to be happier, more accepted, and
 feel less constrained around people you have a lot in common with.
You can often get by just fine by being yourself 
There are hoards of people out there who differ from their friends or
 partners in some way, but they're still perfectly accepted.  Maybe 
their friends all like hockey but they're up front about not 
particularly caring about it.  However, since they're solid people in 
lots of other ways, they're still welcomed into the group.  As a general
 rule, the more you have to offer socially in other areas, the more you 
can get away with differing from the majority on some issues and still 
be accepted.  
Most people have some aspects of themselves that don't fit into the 
norm
Occasionally you'll meet people who are walking embodiments of the 
totally average, mainstream person.  It must be convenient to go through
 life having your every urge and whim just happen to fall into line with
 what society prefers.  However most people have a bunch of traits that 
are out of sync with whatever the social ideal is.  They stay true to 
themselves anyways.  
It's often your individual differences that make you stand out
When you're with people, to a large extent it's your differences that
 set you apart from everyone else and make you desirable to be around.  
Your sense of humor is a little bit different (and funnier) than your 
other friends'.  You know more about a certain topic than everyone else.
  You have a different perspective on life.  Yeah, people often do like 
to hang out with friends who are a lot like them, but it is often the 
case that we appreciate someone who brings something novel to the table.
  
Variety makes life more interesting
I know this sounds cheesy, but life would be more boring if we were 
all exactly the same.  Getting to be around a range of different people 
makes socializing more unpredictable and rewarding.  In small doses even
 people's personality flaws spice things up a bit.  If someone is 
totally flaky or bossy, that's just irritating, but if they have mild 
versions of those same traits, it just adds a little color.