You are in another world, yet you find this so difficult to believe?

[He doesn't know what lithium is but he can get the general tone of your 'NOPE'. As for the 'children' comment, he laughs. Even if he is kinda wondering why you're calling him purple.]

I am older than yourself, as well as ten generations of your forebears, and I am considered young by Asgardian reckoning. The only man to call me a child in centuries is my own father.