My coworker believes that several axiomatic facts of science and nature are false!
Split your job with a coworker who also needs childcare.
We firmed plans although it meant my cancelling a night out with a coworker.
Consider Discover gift cards for your father, coworker, child's teacher or any other hard-to-buy-for person in your life.
To reduce your coworker stress: Avoid romantic relationships with coworkers, and make it clear that you prefer to keep your relationships with all your coworkers professional.