Please tell me what should I do?

My husband has cheated on me 3 times. The first time, 2 months after we got married. Found him on my way home on a four stop intersection on his way to the hotel with that woman in his car. Honking desperately at him to pull over. I confront them both he denied everything the woman told me they where heading to the hotel for sex n she was only doing it because of money and because she need it formula for her infant at home. While I was talking to the woman my husband took off like a coward n left me n my son there with her. The second time he left me for another woman he met at work. At that time I was 5 months pregnant and he left me with the mortgage payment due n the bills due at that time our first son was only 7 years old. Thank God I was still working n I was able to work thru all my pregnancy to pay my bills n to support my son. Once my daughter was born he decides to come back home a month after. I took him back for the second time because I need it his income to survive. The third time is still in the air. I found in his wallet a florist business card n he has never never I mean never send me flowers to my job or home. I am still with him because I can't support my self n kids.

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