 Monica, Chandler, and Phoebe find out that they can hear through the walls in their hotel rooms. Monica and Chandler cover the wall where Joey and Rachel are kissing, and Phoebe covers the wall where Charlie and Ross are kissing. Both relationships wait to talk to one another before proceeding on with. Ross tells Joey about him and Charlie, but Joey doesn t tell Ross about him and Rachel on the plane back home. Monica decides to get rid of her poofy hair by getting corn rows. Back in New York, Ross walks in on Rachel and Joey kissing.