whats the purpose of a chin?

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girls find it attractive, it must be important.

why do humans need it? does a good chin show something?
 
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Sign of high prenatal T
 

BuxomZygos

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Yeah its a dimorphic trait to block punches
This dime type is ideal because the curve has the best impact dispersion properties comapred to other chin types. Its mostly meds sikh jatts lebs that have this type and it nakes bitches wet. Especially with a sharp jawline and gonial angle
 

Franktank

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our chin helps buttress the jaw against certain mechanical stresses. The chin POSSIBLE evolved in response to our unique form of speech, perhaps protecting the jaw against stresses produced by the contraction of certain tongue muscles OR safeguard it the jaw from chewing

There is also a sexual selective explanation but the problem is why would chins be sexually selected. Its more than just "look aesthetic"
 

Jesus Christ

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springfield said:
helps absorb punches.
deadinsidedeadoutside said:
to take punches
BuxomZygos said:
Yeah its a dimorphic trait to block punches
This dime type is ideal because the curve has the best impact dispersion properties comapred to other chin types. Its mostly meds sikh jatts lebs that have this type and it nakes bitches wet. Especially with a sharp jawline and gonial angle



That's wrong for sure. Easiest knockout is when somebody is hit right in the chin.
 

Leans

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Jesus Christ said:
springfield said:
helps absorb punches.
deadinsidedeadoutside said:
to take punches
BuxomZygos said:
Yeah its a dimorphic trait to block punches
This dime type is ideal because the curve has the best impact dispersion properties comapred to other chin types. Its mostly meds sikh jatts lebs that have this type and it nakes bitches wet. Especially with a sharp jawline and gonial angle



That's wrong for sure. Easiest knockout is when somebody is hit right in the chin.

X2
 

ethmlethiqcel

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Bhunnah said:
ethmlethiqcel said:
i can't really imagine that's more protection

i can almost see it but seems a stretch
:coping:
and people tend to lift their heads fist fighting

alright, you don't have to be belligerent

i want a good explanation
 

Lurking42Long

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Well it offers no advantage in helping on mechanical stress,https://www.sciencedaily.com/releases/2015/04/150413183745.htm

Doubt it offers any advantage to absorbing blows to the face as if it did other hominoids such as chimps or other human predecessors would no doubt have a chin like structure. 

Evolution of the chin occurred hundreds of thousands before men started shaving many men having beards the majority of their lives blocking their chin. So doubt it helped in making men more aesthetic.

The most probably cause for the chin is that there in no cause for the chin and merely is a consequence of our smaller  jaws.

An interesting theory is that it helped in female aesthetics as they had no chin hair and therefore their chin was always visible. Prehistoric man like women with bigger chins and as a consequence women with big chin made kids with big chins.
 
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