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