I need your advice. PMS overboard Am i too much here?

Mel

So I hate the smell of cigs I was PMSing, i told my bf not to smoke while we drove for takeout pizza. After we ordered. They forgot to include my moms order. So I decided to eat mine right there, while the fixed the order. We shares a slice, while I was having my second slice, my bf pulled out a cig and went outside for a cig without excusing himself. I expressed my upset and be said he wanted to save time, becos I didnt like the smell of cigs (thats nice) but I wasnt done eating! He said he was though, and there was no need to say “excuse me, going for a quick smoke”, this really fucking bothered me. His heart was in the right place but i felt so odd while having a pizza in mouth, he got up without a word!

Am I too sensitive?