it spoils
Examples
I think it's bad to talk about one's present work, for it spoils something at the root of the creative act. It discharges the tension.
The more that learn to read the less learn how to make a living. That's one thing about a little education. It spoils you for actual work. The more you know the more you think somebody owes you a living.
Just as eating against one's will is injurious to health, so studying without a liking for it spoils the memory, and it retains nothing it takes in.
The worst of failure in this kind is that it spoils the market for more competent performers.
Fun is a good thing but only when it spoils nothing better.
Google is the enemy. I would tell that to anyone who enjoys any TV show like 'Game of Thrones' to avoid it; it spoils so many storylines.