it would take me a year
One of Phil's lessons--one of many that he has to learn in his time loop--is that women matter. Other people in general, but also specifically women. In his trapped life in Pittsburgh, he was a womanizer. The film doesn't make this obvious, but the ease with which he shifts into trickery mode to seduce Nancy after being in the time loop for only three days should give you a hint. Phil sees women--as he sees most people*--as sort of props in the play of his life. There to be used and forgotten. (* He calls them by nicknames more readily than he calls most of them by their given names. He calls Mrs. Lancaster "Mama" and not in a nice way like he calls O'Reilly "Pops" or "Dad." He calls the man in the hallway "Pork Chop." He calls Nancy "Rita.") For example, forget about Nancy or Rita for now. What about Mrs. Lancaster? 1. Mrs. 2. He barely knows her, she barely knows him, and he doesn't know what affect his kissing her...