Fun: I'm taking a nuclear physics lab this semester! I'm gonna get to play with radioactive stuff!

Not-so-fun (but understandable): I have to take additional safety training on top of the lab safety training I've already done.

Oh, gods no: The trainings (yes, there's multiple) are videos of powerpoints with no way to skip though or download the powerpoint or anything, so I have to sit through long videos. This would be not-so-fun, but ADHD! This is excruciating!