Hank Pym Has Always Been An Unstable Nut Job, Chapter XXVII

Jan has accidentally dropped a box of vacuum tubes that Henry Pym needs for his experiment:

Now, that seems a fairly mild rebuke to me, but it was enough to convince Jan that she should leave him, because soap opera:

And Hank's response? Completely normal and sane, not at all unstable...

So, Pym loses control of his size-changing, smashes up his home and accidentally electrocutes the hell out of himself.

Yeah, the guy has always been unstable...

From Tales To Astonish #64 (1965)