The only one that would make sense not doing is breathing in slowly because you want the medicine to go in quickly to the airways and not get stuck in your mouth.
Marshall will experience team building and community ship as he is taking part in activities that involve interaction with other people, whereas Barney is taking part in secluding activities.
A beneficial burning sensation in a muscle that you are training. This burn is caused by a rapid buildup of, fatigue toxins in the muscle and is a good indication that you are optimally working a muscle group