The second point is very important. If you are expected to interview people 10+ hours per week, that needs to be considered in your project goals and timeline expectations.
Yes and if your manager doesn't understand then it's time to find a new partner in your career..
I am always amazed at people who will let a PHB torture them and gladly bitch about it at every family function and with a round of friends at the bar.
Really.. So you're an amazing talented person and you're letting a PHB ruin you life.. What does that say about YOU.. ????