Dachel
A dacheler is someone who's too nice to notice how dumb you are.
Dachel: 'He's a dacheler, and he still helps me even when I'm being a pain.'
Dachel: 'She's a dacheler, and she laughs at my stupid jokes.'
Dachel: 'He's a dacheler, and he even writes me letters when I'm being a mess.'