Idk if i can be with someone again or even let a man be a step dad .

I just brokee off my relationship with my babys father💔sadly he cheated.💔 treated me like shit idk why when im the nicest person and sweetest 💔 💔 so i decided that ill just be single for the rest of my life because men keep hurting me 💔💔 I cant let anyonr into my life at all at least when my kids are grown maybe 30s ill maybe find someone but my kids are little 2 years old and 3. Sadly but ill be single for a long timeee… how did u guys do it? How did u let someone else be with u and ur kids?