betrayal

i want to apologize to my ex-boyfriend S.S....
he truly loved me but he wasn't DAT into me.....i dnt know why i was attached with him for last 2 yrs.i was having sex with K.S(present boyfriend and my life) while S.S continuously ringing me.i want to apologize to S.S for damn betrayal.i can feel your pain but my Love for K.S is tremendous.your pain doensnt allow to remain happy ....if sudden ,i recall that moment ..once i shaken ...why i did so...how can i be so bad with you ...???? i dnt know whyyyy..i have promised to k.s dat i ll marry him but there is kind of regret dat dnt allow me to move ahead ...plz forgive me...i just hate tears into ur eyes...be my friend .....god plz help him to get out of this hell....