Complex sentence: While attending a party at a friend's house, they discover that they are genuinely fond of cheer camp and want their squad to succeed, and decide to return to cheer camp and help the squad in the cheer competition.
Split into simpler sentences: While attending a party at a friend's house, they discover that they are genuinely fond of cheer camp and want their squad to succeed. They then decide to return to cheer camp and help the squad in the cheer competition.