Archie sends Jughead to Veronica's house to see if she's stood him up. He gets there, then decides Archie should be doing this and returns without knocking on the door. Repeat two more times with Jughead putting principle over physical effort.
Betty uses jiu-jitsu to make Jughead take her to a dance. On the way there, Jughead has to use his belt to replace the fan belt on Archie's jalopy, making it hard for him to dance.
Archie can't wait to carry Veronica's books. Jughead suggests that Betty carry a large load of books so that Archie will feel obligated to carry hers. It doesn't work.
Jughead checks out a book of of "Love Letters of Famous Writers" from the library. Archie decides that Jughead should write anonymous love letters to Veronica for ten days and at the end Archie would take credit for all the romance they generated. It doesn't quite work out that way.