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