Sentence examples similar to a helpful favor from inspiring English sources

According to the Male Deficit Model, friendships between men function and falter within strict pragmatic categories: "convenience friends," for example, exchange helpful favors but don't interact much otherwise; "mentor friends," who connect primarily through one man's tutelage of the other; or "activity friends," which Matt and I became by surfing in San Francisco.

A helpful blur".

A helpful clue.

"You're a helpful guy.

A helpful tip?

Responsiveness is a helpful watchword.

Maybe a helpful assist, actually.

Is that a helpful message?

"It was a helpful wicket.

Recode provides a helpful timeline.

(A helpful chart is here).