B.f and past?

met my b/f in 2004 i was shy and we didnt date till june 2005.. we fought alot and hes cheated on me... moved in wiht him dec 2005.. then thru 2006 had with 3 people while i lived with him... then 2007 i got prego... he had /cheatedon me with 4 people... had my son in october. i love him and i have forgiving him. and i know he shoulda been long gone. thru octo thru march he didnt do nething... i was confused feb march and april and a little of may... weither i wanted 2 be with him.. he has with my ex best friend in march.. since thenhe hasnt done nething... but i still think about it and then when we fight i bringit up... and then it gets worse... hestalkin 2 girl he cheated on me with in 2006 i used 2be ok with it till the whole thing happened with him in march... i want 2 stop brining it up.. dunno what im askin some kinda advice or something.... something helpful not all smart and crap