Bio dynamic (hartwin/merhartwin)

1 - overview/intro

This is a fanfic where everyone is born with a biological dynamic of Dominant, submissive or neutral. The dynamic is registered on a scale of high dom, dom, dom/neutral, neutral, sub/neutral,sub,high sub etc. Dominants poses the biological ability to soothe and give a submissive what their biology craves and to keep them mentally stable. Neutrals sometimes struggle to find a partner willing to date them because a sub will need a dom to keep them stable and a dom will crave looking after a sub. However for the neutrals willing it is very often they will be invited into a polyamorous relationship with a dom and sub pairing, this is commonly for subs that may crave more love and soft affection when dating a high dom who focuses more on their biological dynamic. 

i hope this is clear enough, if any clarification is needed please comment. 

The initial pairing will be Hartwin (eggsy x harry) but past merlin x harry is hinted and merhartwin (eggsy x harry x merlin) may develop.

Eggsy - sub/high sub

Harry - high dom

Merlin - Low/neutral dom

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Being a sub in the estates was never easy. Especially a male sub, it was seen as weak for a man to need the comfort of a dom to keep their head on right. It only made it worse when your mother was a female dom. However eggsy tried not to dwell on the fact since having a dominant present around the house constantly meant when his submissive needs developed over puberty he wasn't struggling to find a dom who would have him. 

His mother never openly said she was ashamed to have a submissive son however she did teach him to act like a neutral/low dom, for his protection of course, from a very young age. In the house when eggsy was close to breaking point and close to a sub drop she would let him drop the act an kneel for a while, give him frequent orders so he could function for a while longer. 

He got really good at acting, no one at kingsman suspected a thing, Not even harry or roxy.

but of course this all had to come tumbling down eventually.