Boyfriend ignoring me after our holiday. Why is he doing this?

Me and my boyfriend went on holiday together recently. I’m 30 and he’s 55. We had a few arguments on it and coming home everything was fine until we was at the airport. There was no smoking area there and he really wanted to smoke. I told him he couldn’t but he didn’t care (he was drunk as well). He couldn’t find his lighter and asked me for mine but I said no and that he can’t smoke here. He got an attitude with me and then wouldn’t speak to me on the flight home. When we finally landed back home he said to me aggressively to never do that to him again.
I told him that he couldn’t smoke there but he didn’t care, he literally didn’t think about what the repercussion of that could have been had he been caught because we was in another country.
I went home and he hasn’t spoke to me since. It’s been almost two days now. What do I do?

Boyfriend ignoring me after our holiday. Why is he doing this?
Post Opinion