can't help

Idioms  

1. Also,. Be unable to do otherwise. For example, I can't help thinking that the keys will turn up eventually, or He couldn't help but believe he would pass the entrance exam, or I cannot but applaud his efforts. The first of these phrases, can't help, is always followed by a present participle whereas the others take an infinitive. [c. 1700]

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Example Sentences

When market participants take money out of Microsoft and put it into Caterpillar, Cat stock can’t help but soar.

From Barron's

You’ve got enough on your plate that you can’t spare time to wait for a representative from their financial institution as you try to settle their affairs — and then hear that they can’t help you.

From MarketWatch

“I can’t help it,” Lizzie said, “I just said what I thought, and if I am to blame, I can’t help it.”

From Literature

Yes, we do the movies and we play the characters, and that’s a whole other section, and then there’s a whole other part of it where we’re doing this, we’re doing interviews — you can’t help but think, “Well, how do I want to present myself? What do I think about that?”

From Los Angeles Times

“Well, don’t look at me,” I said, “I can’t help you. I got bit, too.”

From Literature