Why is my cat acting this way?

I have a 4 year old male indoor neutered cat. He has been part of this family since he was 6 months old. He is a good cat generally, except that he's overly/aggressively friendly. Which has never really a problem, short of just plain annoying. We have a 10month old girl and he had abit of an adjustment when the baby came, but was fine. In the last week or two, he has been following me everywhere, I almost wiped out on the stairs because he's always at my feet. There are three other grown ups in the house here and I can't understand why he's acting like this. He gets attention, but it's like he's starved for it. Everytime I bend over to tie my shoe, pick something up...he's there trying to get me to pet him. It's driving me CRAZY! Then yesterday we had to move his food to another room because of the baby crawling around, and it's become ten times worse. If he doesn't stop I don't think I can take it!