My SO and I work together and drive to work together. My office is a bit antisocial during business hours but occasionally spend 10 minutes or so with a cigarette after we knock off to wind down and socialise.

 As my partner is a non smoker I generally skip out on the after work cig but it had been a long week so I asked him if he minded hanging out after work with the team while we had our 10 minutes of socialising.

He told me in front of our colleagues that he didnt mind, but he would wait in the car as he was a non smoker, however, mid cigarette, we all witness him exit the carpark and drive off, leaving me there at work with all of my colleagues asking "hey why did SO just drive off like that??"

In his defence, I could see he didnt really want to wait, when I asked, but I feel like he should have just told me that rather than saying it was okay and then leaving me there in front of all our colleagues.

Am I the asshole?