I need yalls opinion

Theres this guy i used to talk to a couple of months ago at first we talked about how he didnt want to have no kids he was 23 and i was 17 at that time and yes i know its a big age difference but once we talked for a while he started liking me and wanting to hang out more and he wanted to have a kid with me already ( we did have sex a couple times before he said that and never stopped talkin to me) which didnt make sense to me till this day im trying to figure out if he wanted to trap me because i had found out he had a girlfriend at that time and when i did he wanted to leave her for me and wanted to try again i dont know if he wanted to get me pregnant so he could stay away from her because i asked him why didnt he tell me he had a girlfriend and he said he didnt want to break her heart and been begging me for a second chance ever since and i never understood why he wanted to get me pregnant. 1 to trap me 2 to end their relationship after all those times he would talk about not having a kid what do yall think no hate i learned my mistake im a legal adult now