Sherlock's face when Neilson (Head American CIA-trained killer) told Irene to shut up or he'd decorate that wall with the insides of her head. Sherlock fell, and was protective of her from the start. You don't want to mess with the people Sherlock loves.
(GIF) I will never understand why people cannot see how awesome those eyes are, because they are probably the most gorgeous eyes currently in existence.<< I don't understand how people cannot see how gorgeous Ben is. And THOSE EYES