Sentence examples similar to merely when needed from inspiring English sources

Feed it only when needed.

The Yankees are merely asking Strawberry to remain healthy enough to give them at-bats and a left-handed threat when needed.

Store when needed.

Offer help when needed.

(and Cure, when needed).

Reapply when needed!

Remain neutral when needed.

Capitalise when needed.

Offer advice when needed.

Refill when needed.

Burn when needed.