Sure! Here's the requested content in spun format with synonyms:
Candace is crazy about Finn and also Felix.
Cara has deep affection for Fred, and also Felix.
Phineas captures the love of Cara, and also Foster.
Cara finds joy in being with Philip and Foster.
Finn is cherished by Cassandra, and Felix.
Candy has a deep connection with both Phineas and Felix.
I hope you find these variations helpful!