So confused...I NEED HELP

So my boyfriend and I have been dating for about a year now. Full disclaimer our "relationship" 100% started off as friends with benefits which was a mutual decision. As time went on we both started developing serious feelings for eachother and one day a couple of months ago he pretty much declared his love for me and we decided to get serious and become exclusive.

We started talking about having another baby pretty quickly after that. It was something we both knew we wanted eventually so when we decided to make things official we were both really excited to take that step so he asked me to stop taking my bc which I did. That was about 3 months ago. However we have never actively tried to have sex when I'm ovulating and because he works on the road (3 weeks gone and 10 days home) we actually haven't had sex during my ovulation week until about a week and a half ago when he happened to be home while I was ovualting.

Fast forward to about a week later I text him a picture of my ovulation calendar to show him that we finally had sex during my ovulation window and his response was "do you need me to get you the day after pill"?!!! I text back asking him wtf he was talking about thinking he's going to be joking or something and he completely just switched up on me and is now saying he wants to take things slow and doesn't want a title! Normally I wouldn't be so upset but because there's a possibility that I'm already pregnant I'm freaking the hell out!! I don't know what to do at the moment. Any advice would be very much appreciated!!!