It must have taken a lot of work and time to get to the postion you are at. Is there anything that you regret doing/not

Question: It must have taken a lot of work and time to get to the postion you are at. Is there anything that you regret doing/not doing when you had the chance?
- Keywords:
  experience,
  regret
Asked by CleoW on 13 Mar 2015.
- anon answered on 13 Mar 2015:
  
  I regret not taking more time off for myself during my PhD, while other people did I felt guilty taking holidays! I’ve learnt now how to keep a balance of work and free time.

Question: It must have taken a lot of work and time to get to the postion you are at. Is there anything that you regret doing/not doing when you had the chance?