Answer:
Surround yourself with good energy and people who can give you positive vibes.
Do a lot of exercises, less thinking, more laughing.
Finally, get plenty sleep.
Answer:
B. Changing passwords frequently makes you likely to forget which isn't helpful, using a personal e-mail address is unprofessional, only limiting the number of people and keeping it down to just enough people who need to see it can see it is truly helpful.