I'd google it and/or go into a library and read whatever books you can find on that subject or look up Codependency.

go here: Social cue - Wikipedia, the free encyclopedia

I'd get into a Self Esteem workshop or acquire some books, tapes, CDs or google it. Joining a support group like Codependents Anonymous can help you find people struggling with the same "issues" and they will offer you very good and useful support and feedback on how they are dealing with life. I'd imagine there are a lot of other good support groups out there so.....
good luck,
Jim