The Other Half of Me (2001)

After a difficult break up, down on his luck Mikey wins a pair of concert tickets that he believes will set his life straight. He's turned down by his lifelong friend Jess. And turned away by his poker buddy Melissa, only to set himself up on a blind date with Morgan. It isn't long before Mikey finds out she has a problem. Morgan only has half of a brain. Mikey gives her a chance and quickly falls in love. He ignores his friends and settles in for his selfish romance...only to have her leave for college. Mikey is crushed and alone, while she hides a few secrets from him. She's started having seizures.