His eyes are red-rimmed and she knows both that he's the reason behind those two shirts and that he has been crying and will continue to do so. 
This part also would be a good post for the "I love everything Mrs. Twist" thread (is there one?) -- whom I love primarily because she is so kind to Ennis. Whom I especially love.
But let's me think, what can I add to this great thread ...
OK, here's a big one: I love Ennis for his cognitive dissonance. The way he on throws Jack off of him in TS1 and the final lake scene, and then two seconds later passionately grabs Jack as if his life depended on it, which in fact it does.
And here's a little one: I love Ennis for the way his chest heaves after kissing Jack in the reunion scene.
