Why would a one night stand want a relationship after?

I was very drunk, can't remember getting back to his flat. We had sex, I know that, then again a couple of times the morning after.

My hair was a mess, last night's makeup still on, probably smelt of alcohol, BO and vomit. Yet he wanted to cuddle in bed all day.

Now he's acting soppy over text and asking when he can take me on a date to see me again. He's told me he wants to find someone to settle down with.

I know he's being genuine as people have told me he's looking for something long term.

Why would a man want to date someone who he's seen in a terrible state?

Why would a one night stand want a relationship after?
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