If your man says he’s trying to be better overall would you believe him?

My child’s father did cheat on me, with someone who seems to be delusional she does everything she can to keep us apart lies, and try to get my attention constantly like she loves me. So I did leave the house to get some space and a clear mind. He has been wanting to do better for our daughter and I, he reminds me all the time that he’s sorry and we were engaged so he’s been asking me if I would marry him, he’s made himself more available to us and all. He’s.definitely not perfect and I’m sure he didn’t grow up seeing good examples but I’ve been trying to have faith in him to encourage him. He’s been trying to prove himself by showing me everyday he isn’t with anyone or if I have any doubts about something he’d

Reassure me. Yesterday he wanted me to see him so I did and he actually bought me flowers I never thought he’d get them for me Bc he’d think it’s a waste of money. I sighed randomly while sitting down and he rubbed my back saying everything would be ok. I just don’t Know. I do want to have faith in him.