If the breast has to be removed for some medical reason, it is completely possible to live without it. It is not a vital organ, it's purpose is to feed babies. The rest of the body can do just fine without it- self image of course may take more work.
yes a person can live without an eye.
The main purpose of using a breast feeding cover is to provide a mother with an element of privacy. If they use a breast cover they will be able to feed their baby in public without people seeing their breast.
They can and did live quite happily without it.
Yes, people can live without a pineal gland. They will be able to have normal lives.
no
amastia (a = without; mast = breast; ia = condition of)
Some people can go for up to a year without a period while they are breastfeeding.
Using mystical powers! Actually, they cannot live without a head.
Many people live quite happily without believing in a god.
Yes
I like to show my breast in front of boys without any cloth on my breast
A breast lift and breast augmentation are separate surgical procedures, so yes you can have either of these without the other.