Right, so it's easy for everyone to pick out their 'faults' and things they're bad at, but what is everyone good at? I can guarantee it's a lot harder.
Listening. One of the things I love about my job is the ability to just shut the door and listen to what my patients are saying. I former patient who I have mutual friends with apparently talks about me a lot and how I made a big difference to her life. This makes me smile on the inside (while blushing furiously and awkwardly on the outside)