@maidofclay@snouts.online if you're a plural system, you have Autohypnotic and psychosomatic effects you can tap into that can actually change your hormonal levels.
A surprising amount of this effect can be accessed thru traditional shamanistic practices, from all different cultures. Trick is finding the one that works best for You.
I just dunno if the Ancient Hebrews had a "Big Titty" spell all worked out in advance, but the Babylonians did.