The unbelievable skill development trajectory, the unbelievable compensation and exit option trajectory, and the mentorship and caring. People really truly care about you as a person and your balance.
The structural things about the industry of consulting that no Firm can avoid. It requires some travel, it requires long hours at times given how much clients are paying and how much they justifiably expect, and the occasional unpredictability because we need to be responsive to our clients. My firm handles these issues as well as any firm, but you can only do so much.