here is a funny story that happened to someone i know personaly
he was on a date with a girl he had been going out with for a while and had a bit of wine(done intentionally)and when they left the resturant the girl being very over-protective insisted she drive home since he had a litle bit of wine after 10 minuets of arguing he finally gave in when they got in the car and she put it in reverse to pull out there was balloons and a sign that said
WILL YOU MARRY ME
she was so shocked that she let go of the brake and hit someone
the person was not injured badly but was upset but after explainig that he just proposed the person said congradulations and let it go
but imagine that hitting someone! he told me that till this day he and his wife laugh about it all day long