1) You desire the nurturing breasts of your mother or a matron figure.
2) You desire to increase the size of your mammary glands through breast enhancement.
3) You desire a boyfriend to appreciate your womanly bits.
4) You feel unappreciated as a woman.

If you’re a male and dream of breasts, then it could have several meanings:

1) You desire nurturing.
2) You are conscious of your man breasts because you have gained weight.
3) You desire to reduce the size of your boobs to look manly.
4) You desire a girlfriend with nice breasts.