Sure! Here's the requested content in spun format with synonyms:
Candy loves Finn and Felix.
Cassandra has deep affection for Phineas, and Foster.
Philip has won the affection of Cathy, and also Foster.
Cassandra revels in being with Phineas and Felix.
Finn Cara, and also Felix.
Cara is emotionally attached to both Finn and Ferb.
I hope you find these variations helpful!
Candace FINALLY Busts Phineas and Ferb