 Lauren is annoyed with Puck for joining the celibacy club , but when he explains that he is trying to take responsibility for his actions , she kisses him and agrees to join too . Quinn ( Dianna Agron ) and Finn ( Cory Monteith ) are secretly back together . Holly 's stint as a sex education instructor ends when parents complain about her classes . She tells Will that she wants to learn about romance ; he offers to teach her , and they kiss . 
