Let your wife take private lessons with a yoga teacher and the ending

Maddie is staying at her new uncle and uncle Mick's house and recruits personal trainer Brad from her college to get special attention at home. As Mick chats through the headset with Maddie's mother, he watches his new niece in an increasingly compromising position with Brad. Mick tries to interrupt them and cool down their session but instead he gets sucked into making out with this horny college teen!