Stuck between keeping the baby or not 💔

Hi guys please don't judge have you ever felt like you don't know what to do I've wanted a baby for so so long and finally I got my BFP but now since finding out things have changed my now ex partner has just switched and is now saying he wants me to have an abortion and I know it's the best thing to do as I'm 19 he's 37 and I'm still dealing with mental health I really want a baby but I just feel guilty cause everything my ex is saying is right please help 😭it literally breaks my heart thinking I could possibly not keep it 💔