Me, Myself and Irene (2000)
A pacifistic Rhode Island state trooper who's too nice for his own good, develops split personality disorder with his alter ego being the complete opposite of everything he is in manner. Complications ensue when he's assigned to escort a woman back to New York and ends up falling in love with her. But the woman has shady people on her trail who want to take her and now he, out of the picture.