Try not to slip into a “friends with benefits” relationship if that’s not what you want. Someone will end up hurt.
Take time to work on your hobbies and passions. You need outlets that aren’t related to work.
Change your eating habits if you feel they aren’t working for you. Small changes can make a big difference.
Try not to argue with a friend over minor travel details.
Your instincts know more than you think.
Don’t hold onto grudges. It won’t do you any favours.