Just because this topic is old does not mean that the discussion has been exhausted.
You think about this topic and think about how it happens in real life. Many times, you just know...
I'm glad you said this, tpe, because I happened across this thread just now, too.
(And, by the way, I only today just saw that I'm an Alma Jr.!

Last I looked, I was a Cassie!
Anyway, I think from the moment Jack pulled up in his truck and saw that gorgeous, sexy hunk leaning so shyly against the trailer, he knew...

Seriously, I really feel that Jack deeply "understood" Ennis from the moment he met him. Then when they spent all that time together on the mountain (from full moon to full moon...a month?) Jack knew he wanted Ennis and even more, knew Ennis wanted him.
The moment in FNIT when they are nose-to-nose and breathing heavy...oh! I've fallen down and I can't get up!
Shelley