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.
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.