Relationship advice

I am coming out of a marriage where we’ve been togeather for 6 years got married in October there was sexual assault and I am leaving him. I am currently pregnant and we have a two year old togeather.

I recently found myself very interested in someone else we used to talk CONSTANTLY when everything first started going down hill in my marriage I am 22 he’s 37. He has no issue with me being pregnant no problem with me having a 2 year old and seemed crazy about me. Since than he’s kinda been off we’ve been talking since November. I have fallen but only because he would always tell me I am beautiful how strong I am really listened and cared about everything I said ACTUALLY PAID ATTENTION TO AND RESPECTED ME. now in the last few months we’ve had our kids have play dates basically every other weekend when he has his two kids but we talk less and less and he’s saying it’s because he is more about his hobby and focused on that. But a few months ago he was telling me he wants me with him in the mornings wants to help with my babies wants to be there for me blah blah blah. Telling me I was making my way into his other wise closed off heart. But as soon as I said hey I am falling for you I hear from him maybe 3 times a day always the same good morning beautiful mama 😘 text and once during his work day and than he calls me every night driving home than hell MAYBE have a 20 min conversation with me at night. So I probably talk to him for all of 1 hour a day with everything lumped to one. Does it seem like he’s just not interested anymore? I told him I felt that way and he’s like I already told you I like like you that hasn’t changed but I’ve never had to tell someone so many times. Like bitch I need the reassurance because you used to text me 75% of the day busy as fuck or not. I know in relationships sometimes you end up talking less but we haven’t even been on a formal date or nothing. 😓🙄