brickbat

I could face an insult head-on,
I could endure the silent treatment quietly;
I'm certain I could even match a tantrum, with my own fit of bad temper.
But your stony stare is the brickbat that shattered my heart.

©2005 b.cisek

(brickbat \'brik-"bat\: noun, 1 : a fragment of a hard material (as a brick ); especially : one used as a missile; 2 : an uncomplimentary remark)