A Little Help, Please?

My husband used a phrase today that I have heard other men use, but am having a hard time figuring out what it means. He said he needed some "me time". I had to stop and scratch my head. I'm truly puzzled.What does that mean, to have "me time"? Is that like when I go to the bathroom and know I have .9 seconds to get business done before someone pounds on the door exclaiming that they have had to go all day and if they don't get in there now, they will go on theirselves? Or is that like when I go in the bedroom, after stepping in an unidentified wet spot on the floor, and I have 1.7 seconds to change my socks before I hear glass shattering? Quite possibly it could be those 3 minutes that I get to sit down at the computer before someone screams that they HAVE to have the computer for homework. Funny, I didn't realize Facebook was a site to go to for homework help. Wait, I bet it is those 10 minutes I spend yelling for everyone to come put up their folded laundry. Funny how everyone wants to leave me alone when they know I have clean laundry ready.I guess I'm having a hard time figuring out exactly what a "me" is. I think I used to be a "me", but I can't remember that far back. For as long as I can remember, I have been a "mom" and a "wifey". So maybe it's best that I don't know what "me time" means, it would probably set me off into a fit trying to figure out what it was, and what to do with it.