After seeking advice from the girls, Chandler overcompensates by trying to be "supportive" and "relationship-y," which manifests as him acting clingy and terrifying Janice.
Monica reveals a childhood secret: Ross used to dress up as "Bea," a lady who hosted tea parties. This effectively shuts down Ross’s argument about "traditional" gender roles for children. The Milk Master 2000 (Joey & Phoebe) [S3E4] The One With The Metaphorical Tunnel
He invites Janice to a Sunday dinner and suggests they buy a "mixed-berry" yogurt together, which causes Janice to flee. After seeking advice from the girls
"Ben, look! It's a G.I. Joe! He has a gun! He... he's got a cool scar!" which causes Janice to flee. "Ben