[sandisk5]

If they all arrived at the same time each night (dinner) then new entrants may simply think that the others just got there and simply haven't changed the channel to the normal channel yet, perhaps they didn't see the remote or were in a conversation when they entered, so by grabbing the remote and changing the channel to the normal program people aren't disrespecting the other people who really aren't watching the program but are simply laughing at the most recent entrants.

Also some seat belts are non-obvious, especially in a fancy sports car, and people help other people with seat belts all the time. Perhaps the driver has given a lot of people rides in his fancy car and has seen many people struggle with it. Perhaps x seconds didn't seem long to her but to him, who knows how it works, it seemed like she was having a problem.