One boob is slightly bigger than the other ?

It's normal
Same with me

Most women don't have symmetrical breasts. Don't worry, you're normal.

normal

Normal Tittaly normal.

Most likely normal unless it's obvious even with clothes on. Less than one cup size difference is totally normal.

Most women have uneven breasts. It's nothing to be alarmed over.
:)

If you are ever breast feeding a baby, give equal time to each breast. Some women put a safety pin on the side of her bra that the baby last fed on.

Doesn't sound normal to me, but then again I am just a guy so what do i know ?