Oh yep thats me too, when DD was 5 weeks i was having the exact same treouble sometimes i still get it now..
Its just them i dont think its anything to worry about...
My DD was frustrating the s**t out of me and i would say to my mum : geezz by the time she finished this one its going to be time for the next...

Just hang in there babe, its hard i know.. i just gently pretend to pull it out and they seem to latch back on again or i make sure she wakes right up and make sure she is ready to have it so now i have cut the time in half.. itms?