M arcel was invited to a sleepover today. He wanted to be asked. I’m just not sure he really wants to go all that much. This makes twice in as many months that an invitation to a birthday party has come in only to be received less-than-enthusiastically by my son. This is how things play out: Marcel comes home from school, excited about an upcoming party that he has been told about at school. He reminds me of his storied history with the child in question and tells me to expect a call from their parents. And this part is important: He knows the party will be a sleepover. The call does, in fact, come in at which point Marcel says, ‘Mmm, I don’t…