I've always found that 'Guess who's a little light in the loafers" works very well.
Seriously, at 19 I wrote my parents 1 20 page letter from college telling them.
I do think sitting them down and saying 'I'm gay" would have been easier on everyone.
It is ridiculous to set a detective story in New York City. New York City is itself a detective story...
AGATHA CHRISTIE, Life magazine, May 14, 1956