Sure! Here's the requested content in spun
format with synonyms:
Cara is crazy about Fred and Ferb.
Candy has deep affection for Phineas, and also Felix.
Fred has won the affection of Candy, and Ferb.
Cara revels in being with Philip and Frank.
Philip means the world to Cathy, and also Frank.
Candy is emotionally attached to both Finn and Ferb.
I hope you find these variations helpful!