person A: My best friend and I had been roommates all through college.
person B: That's pretty nice. I'm in college_comma_ and I've had three different roommates so far_comma_ having to move three different times. Starting to get old. You truly lucked out!
person A: We each just moved out on our own over the summer. I really miss living with her.
person B: I hope you guys are able to keep in touch. With that kind of experience_comma_ it sounds like it could be a good friend for life. As we get older_comma_ we let those kinds of people slip through our fingers. Try to maintain it as best you can.