Originally Posted by
Travelpro777
Excessive making out, whatever the participant mix, is inappropriate on an airplane where total strangers are crowded together, sardine fashion, and can quickly become annoying, and if continued, offensive. You're in public; behave like adults.
Ever so slightly OT:
oh, yes. This is not limited to airplanes, but rather extends to Tubes (and all trains), pubs, restaurants and most other public places where people don't have a choice but to be near you.