Considering abortion... no bad comments please hear me out

For starters, I have a baby boy he will turn 5 in a few days and I am currently dating someone. He was finally going to meet my son in his bday party. I recently found out I’m pregnant and he has been acting to different, very cold with me and kind of avoiding me. Keep in mind he is 35 with no kids and i am 21 with one kid. He admitted to being scared about the whole situation and i understand. We agreed to try and work things out between us because we have had a couple arguments lately because of some differences between us... today we did not talk all day just a message or two and yesterday was no better either. He has his phone on do not disturb or it’s off because my messages don’t deliver and my calls go to voicemail. I feel like I’m the only adult here trying to make things better

I don’t want to bring another baby into this world in a broken home. I don’t want to go through it alone and neither do I want us to live together if things are going to keep getting worse. I don’t want to harm my son either. I have an appt on Friday for the abortion pill... he told me he will hate me if i do it but then again there is no support.. I don’t know what to do 😔

One thing for sure if i go through with it, I will end the relationship.