Who's the Boss? (1984)

S8E16 Allergic to Love

Tony's lips keep swelling up at the most inconvenient times, prompting him to investigate the mystery behind his peculiar condition. Angela realizes that each episode coincides with discussions about their upcoming wedding, leading her to fear that his sudden swelling might indicate his reluctance to take the plunge into marriage. As concern grows, both must confront their feelings and the underlying issues surrounding their commitment.