i love these thread titles, ...
"When do we Sex?"
as soon as you buy me dinner, bitch.
lol just kidding. funny stuff though.
i can usually spot preflowers at the 8th to 12th nodes once the plant gets at least 12 nodes tall. usually, but not always. otherwise it has to got into 12/12. usually.
on females, i always see the hair first. it sparkles and you can tell it is a clear white hair. when you see it, you will know.