End of one's rope American noun phrase informal
It can also be phrased as "end of your tether" in the UK.
Being in a state that one has no longer energy, endurance, or patience
By eleven o'clock after an online class, I'm at the end of my rope.
Those kids are very naughty, I’m at the end of my rope with them!
I'm just about at the end of my rope, but I can't give up now.
Used when a situation is out of one's control or power
The term "at the end of one’s rope" is primarily an American phrase, though it may be traced back to the 1680s. The idea is of someone who has been thrown a safety rope, and has run out of length.
The similarity between the children and their parents
I looked at my father's eyes, then looked at my eyes. I thought the apple doesn't fall far from the tree.