make no sense

For the first time in his life, everything made sense.

He is still trying to make sense of what happened to his family.

Then, nothing for the past several years had made much sense.

She got on with trying to make sense of her old life, while they made new lives for themselves.

But then, since last night, nothing in his life was making sense.

The drug only makes sense for those already at high risk.

He also tried to make sense of what had happened.

I don't know if my words made sense to him.

I hope my question makes sense and would love to here what you think.

But I read enough of them, you just can tell when something makes sense.