People problems are harder than coding problems

If you ask me how to reverse a string, I can look up the answer and I can guarantee I'll be right.

If you ask me how to ask your boss for a raise, I can give you advice, but there's no guarantee they will.

Yes, it's great to be good at your craft – but if you want to move from where you are to where you want to go, learn how to help with people problems.