 Cheerleading coach Sue Sylvester (Jane Lynch) observes that head cheerleader Quinn Fabray's (Dianna Agron) performance standards are slipping.When Quinn blames her tiredness on her glee club participation, Sue renews her resolve to destroy the club, planning to sabotage Will's personal life.Sue tells Will's wife Terri Schuester (Jessalyn Gilsig) that guidance counselor Emma Pillsbury (Jayma Mays) has romantic feelings for Will.