Just like everything else

Here I am, in the same position I was in high school and college.  It seems like after a while knowing me, people stop liking me.  I don't know how to fix whatever it is that makes people not like me, so I guess it is going to keep happening forever.  What is the point of living when I can't sustain a relationship with another human being?  Why should I go on?  My son can make it with his father, shit half the time, he don't even want to be with me.  He cries and asks why his dad didn't pick him up or why do he gotta come with me.  I am so sick of trying to make friends.  No one likes the real me.  In high school I was rejected after one semester.  In college it took a little longer, about 2 years.  Now I am 30 years old, at work and people organized a trip that I was not invited on because they didn't want me to go.  When am I going to be able to get along with people?  I guess I am going to end up old and lonely like my mother, but it is probably what i deserve.