person A: I visited my college campus today and memories came flooding back. I miss it.
person B: I'd imagine so. What a great time of our lives college can be. The world just seems right_comma_ being surrounded by your peers_comma_ all sharing similar goals. 
person A: It was so great. We all just wanted to learn.
person B: Mmhm. I wish I studied more_comma_ paid more attention_comma_ and joined more clubs. But I guess that's the thing_comma_ you're already as busy as it gets_comma_ and unfortunately you can't experience it all.