Babydaddy trouble

so he left us back in october n now hes texting asking about baby he hasnt done nothing hes in ajother country has a new girl with kids blocked me because she told him to then unlocked me and texted me telling me to go so he can see the baby n idk what to do because back then i asked for advice since i have noone to ralk to n ladies here were telling me i cant take baby away from him but everytime i feel like im getting over him he just comes back n i start missing him again... i have met someone else n he makes me happy were just friends now but honestly im just taking it slow.. idk can i get some advice should i just block him or something idk 🥺