What To Do?.

I Need Help.Ive Been Friends With This Guy For 4 Years And We Shared A Few Kisses.But Lately Hes Come Bck InTo My Life,And The Other Nite He Kissed Me Nd I Kissed Him Bck.He Asked Me 2 Go Out With Him But I Said I Dnt No,Cause When We Fight We Really Fight It Could Nearly Come 2 Blows Over Nothing And When Were Grand Were Great ,But Then When Were Together There Like A Load Of Sexual Tension R Something,My Feeling Are Growin 4 Him And Im Confused,I Dnt Want 2 B In A Relationship Were We Are On And Off Because Of Fightin Because Were 2 Much Alike ,But Then I Do Have Strong Feelings For Him.
Please Help