Looking on the internet deeply has found these results:

It never fail me is the most popular phrase on the web.

It never fails me 1210,000 results on the web	It never fail me 1450,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
He follows this rule, and it never fails. It never fails to surprise me there are still vast lands in the United States literally uncultivated. As many as I've delivered, it never fails to awe me. It never fails to put you in the way of danger. It never fails to amaze me how much you actually enjoy these. For the rest, it never fails to astound me just how united Europeans are on the question of climate change and the measures needed to counter it. I Knew My Oldest Friend Would Never Fail Me. Never fails, my dear sir, it never fails.	It never fails to amaze me how much you actually enjoy these. It never fails to put you in the way of danger. He follows this rule, and it never fails. It never fails to surprise me there are still vast lands in the United States literally uncultivated. Never fails, my dear sir, it never fails. I Knew My Oldest Friend Would Never Fail Me. As many as I've delivered, it never fails to awe me. For the rest, it never fails to astound me just how united Europeans are on the question of climate change and the measures needed to counter it.

It never fails me

1210,000 results on the web

It never fail me

1450,000 results on the web

More popular!

He follows this rule, and it never fails.
It never fails to surprise me there are still vast lands in the United States literally uncultivated.
As many as I've delivered, it never fails to awe me.
It never fails to put you in the way of danger.
It never fails to amaze me how much you actually enjoy these.
For the rest, it never fails to astound me just how united Europeans are on the question of climate change and the measures needed to counter it.
I Knew My Oldest Friend Would Never Fail Me.
Never fails, my dear sir, it never fails.

It never fails to amaze me how much you actually enjoy these.
It never fails to put you in the way of danger.
He follows this rule, and it never fails.
It never fails to surprise me there are still vast lands in the United States literally uncultivated.
Never fails, my dear sir, it never fails.
I Knew My Oldest Friend Would Never Fail Me.
As many as I've delivered, it never fails to awe me.
For the rest, it never fails to astound me just how united Europeans are on the question of climate change and the measures needed to counter it.