Sucking out juices from orange pieces, grapefruit pieces, challah dipped in wine, etc.

Sucking on grapes and olives.

How and when is one allowed to squeeze or suck the juices from fruits straight into one's mouth.

Cutting and eating all other types of fruits (e.g. oranges, grapefruits, cherries) and what to do with the leftover juices.

Is there a way to cut grapes and olives for a fruit salad. Understanding the problem with the juices that flow out of grapes and olives.

How should one cut grapes and olives for small children and older adults.

Is one allowed to cut a grape or olive on Shabbos?

Is one allowed to use the liquids which was squeezed out of the fish?

Using a napkin to remove the oil, fish juices used to dip challah in to.

Is one allowed to squeeze fruits to enhance the fruit itself and not for the juices.