go with one's gut
trust one's gut
follow one's gut

I guess we went with our gut on that one.

"The best indicator is to go with your gut," she said.

Harvath had learned a long time ago to go with his gut.

And what were you saying about going with your gut?

I told him to go with his gut, and he gave it a "Buy" rating.

There was no time to debate, so he chose to go with his gut.

Claire would just have to go with her professional gut on this one.

As a result, they have the freedom go with their gut when casting.

"You have to think quickly and just go with your gut in many cases."

Perhaps it was rash, but he had to go with his gut.