depend on ur age and what u are into.
try out new thing,
join club: wine club, photo club, martial art club etc
do group sport: go gym, wakeboarding, soccoer, basketball, inline
blading, etc.. for ball game easy lah... jus bring ur balls, walk
up to them and ask to join in loh.
Sign up for classes: dance class, singing & music class, even
cooking or baking class, etc
Go to social hang out place like pub, go clubbing, etc
so many other ways...
even yoga class if u like.... but really depend if it is the ger
that are going after or juz mate wiht the same interest as u. So
juz go to those place of your interest and start hanging out there
doing what u love with those ppl of the same key.. soon u wont be a
loner anymore....
But then again... nothing wrong with being a loner... it is great
to be one at time..