Aw. I was basically about to write a longer version of this, but this is so sweet and wonderful that now I can't. ;)

The tiny lump that presses in on his chest leaves him feeling even more fragile than she looks, though. He never expected to make this mistake twice in his career.

I love this line. Mulder's emotional fragility is one of the things I love about him--that he feels things deeply, when they matter to him, and is capable of being shaken by them