Maybe your mum wants to keep the bloodline intact by keeping your DNA in the family
I must say it's definately not most peoples cup of tea, but if you take a look at these gross scatfetish or bestiality pages you can assure yourself that you are allmost pretty normal compared to that....
I did some "running in the familly" kinda thing once:
At the time i lived with my dad and his new YOUNG girlfriend....
NO, i can hear you thinking..., i didn't bang her.....
What happened was that she pregnant and gave birth to my half-siuster. She was lactating and her well formed breasts blew up to melon size....
I was curious what the taste of mothersmilk would be actually like. And while at it also the look and feel of her huge nipples
So, I told her some deprived child story , how my mother did not breastfeed me as a baby and that lactated babies generally develope more willpower (cause they have to suck 6 times as hard to get it out of the breast than from a bottle)
Anyway, I wanted to "restore my relationship with mother nature" and "experience if i had missed anything"
too make a long story short, she let me suck her nipples and i must tell you this mothermilk taste absolutely like shit! bitter and sweet at the same time....
But at least at that time young adolescent boy arranged himself an encounter with them gorgeous boobs and that made it all worth it.... must finish my steak now before it gets cold.