A Nut Hair Away
When someone is so close it's like you could flick a nut hair and hit them. You were so close to that thing you were almost inside it. You were doing it so hard it was just 'A Nut Hair Away'.
I was one nut hair away from kissing her. I almost did it.
He was a nut hair away from passing the test. He almost did.
She was a nut hair away from getting a tattoo. She almost did.