Read lines 124-127 from the poem “A Servant to Servants” and answer the question.

Cruel — it sounds. I ‘spose they did the best
They knew. And just when he was at the height,
Father and mother married, and mother came,
A bride, to help take care of such a creature,

In these lines, what does the word height mean in this context?

stature
altitude
turning point
critical intensity