You could stretch and heat up your body so you won't pull a muscle.
Having weak eye sight is not a lifestyle factor. Your life style is your choice. You choose to smoke, you choose to have friends, and you choose to walk to school. Having weak eye sight is involuntary.
THE RA ER ICU IM JUST QUOTING GREAYS ANATOMY IDK
Honestly, it depends cause a person can have one baby, twins, or even triplets.
