Blood carbon dioxide level
Stretching your body to become more supple and flexible offers many physical benefits. Such training allows for easier and deeper movements while building strength and stability. Stretching your muscles and joints also leads to greater range of motion, improved balance, and increased flexibility.
Children are expensive. You might not have the right mindset. Not the person you would like to do it with. You feel pressured.. those are some.
End your exercise with a series of COOL DOWN activities.