get tired of (something)
1. To become bored of something. I don't want to get tired of pizza, so let's get something else every once in a while.
2. To become exceedingly wearied or exasperated by something. I've gotten so tired of doing my boss's errands. If something doesn't change soon, I'm going to quit! I was all gung-ho about this graduate program when I first began, but I must admit that I've gotten tired of the endless lectures.