Randall: Are we going to look at paintings ?
Glenn : To tell the truth, that's one area I don't keep up with as much.
Randall : Why ? Do they bore you ?
Glenn : Oh, not at all. It's just that the museum changes the exhibits every few months.
Randall : I bet keeping up can be quite difficult.
Glenn : Yeah, I never feel like I know enough about them.
Keep up with - to stay informed
Example : The pace of change is so fast that we find it hard to keep up with the latest developments.