person A: I'm confident I'm going to hit my new bench press max tomorrow at the gym! 
person B: Congrats! I'm sure you will_comma_ I love going to the gym. I mainly do cardio.
person A: Yeah working out is great! I love cardio as well_comma_ makes you feel alive!
person B: Defenitly! I use to run track in high school and was active duty Army so running has always been a big part of my life.