[He's learned not to fight it, particularly now. Celebrating a birthday evidently means making sure that other people are happy so that they suspect that you might be happy, and at that point it doesn't so much matter that you're not the type of person who's ever really happy for any reason, let alone this one.]
Sure.
[Because it's easier than admitting that he's not sure of whether or not he does.]
no subject
[He's learned not to fight it, particularly now. Celebrating a birthday evidently means making sure that other people are happy so that they suspect that you might be happy, and at that point it doesn't so much matter that you're not the type of person who's ever really happy for any reason, let alone this one.]
Sure.
[Because it's easier than admitting that he's not sure of whether or not he does.]
Just pick whatever, I guess.