Creepy stuff in Old Hollywood Movies

Watching "There's No Business Like Show Business."  Donald O'Connor just took Marilyn Monroe out for a date and was pressing for a goodnight kiss, and she gave textbook "this is how to say no when a guy's making you uncomfortable and you don't want to actually firmly say "no" for one reason or another.  He ends up getting his kiss by grabbing her, basically.

Standard musical plotting, what does the hero do after a date?  He sings a song!  What song does he sing in this particular musical, after being pushy and icky?  "A man chases a girl until she catches him."  With Marilyn singing the occasional interjections.