Am I wrong for this?

I’ve always wanted to be a mom to multiple kids (3-4). I was in a relationship where I was lied to and disrespected. He would also talk to multiple woman. He’s grown so much since that time (beginning of our relationship) and changed into a new person I don’t even recognize! He’s honestly surprised me. He’s told me he’s extremely sorry and has begged for me back. I still live here considering I was a SAHM and didn’t have my own income. I’m not sure if I’ll ever get back at him due to the past. We are honestly best friends so there’s absolutely no bad blood there. I actually think ever since the breakup, we’ve been better as individuals. We both love our child so much and never show him when we’re having issues. He’s an amazing father too.

I’ve been telling him how I want more kids but don’t want to be in a relationship. He tells me whatever I want, we will do. He’s open to having more kids knowing we won’t be together. I want all my kids from the same father and he wants all kids from the same mother. We don’t know what the future holds so we can’t say we’ll never ever get back together. Does it sound crazy to have more kids knowing one day I’ll move out?