Sure! Here's the requested content in spun format with synonyms:
Cassandra is crazy about Fred and Foster.
Candy has a soft spot for Finn, and also Ferb.
Philip
holds a special place in the heart of Candace, and Frank.
Cara takes delight in being with Finn and Foster.
Phineas has a special place in the heart of Cassandra, and also Felix.
Candy is emotionally attached
to both Fred and Foster.
I hope you find these variations helpful!