Improved range of motion.
False - eating and sleeping is not considered recreational time as it is needed to sustain life.
Comeparison level for alternatives falls under the social exchange theory of attraction.
Teens should be able to make their own decisions to an extent but you can’t boss them around to much it causes then stress and they deal with more than adults actually think. That will lead to misbehavior and other negative actions so let the teen be free about it u less u see it causing them harm then you can step in