I really nid help to tis?

have been with tis man 4 10yrs....but becoz tat both of us r divorced so if we really 1 2 registed of marriage 1 of us have to sell our flat..juz becoz of tat we not marry...but we have a daughter of 3 yrs old...but in tis mth i found out tat he is having a affair with a fat women ,he borrow 90k sg dollar from her and yet he let her and her daughter stay together with him ...i really feel very hurt tat he dun even bring my daughter to his house be4...once i found out the truth he beg me to bear with it 4 2 yrs..he will come back to mi...i know tat i cant belive him anymore but i still cant get over with it ..wat shall i do ......he still 1 2 have with mi but ask mi to take the pill..he want mi stay by him dun leave him but he stay together with her but not mi and his own kid ...i feel like going mad now !!