Although they occasionally dated other people, Buzz Baxter and Patsy Walker were high school sweethearts. As a sign of their deepening connection, Buzz eventually started calling her Pat from time to time, while everyone else still knew her as Patsy. Rival classmate Hedy Wolfe, meanwhile, often referred to her as Red.
The covers of Patsy Walker #112 (Dec. 1963) and #114 (April 1964) show Buzz Baxter calling her Pat.
Sub-Mariner's preoccupation with Susan Storm reached an all-time low when he kidnapped her and held her captive in Atlantis. The prince of Atlantis intended to make the Invisible Girl his bride! With the help of Dr. Strange, the rest of the Fantastic Four located and rescued their imprisoned teammate. Sub-Mariner finally accepted that she was in love with Reed Richards (Fantastic Four #27). Reed and Sue would marry the following year (Fantastic Four Annual #3).
Fantastic Four. Vol. 1. No. 27. June 1964. "The Search for the Sub-Mariner. Stan Lee (author), Jack Kirby (illustrator), Geo. Bell (inker), S. Rosen (letterer).