The ball very seldom is the problem it is the springs and cap washers
Your shower may be constantly leaking due to a worn-out or faulty shower valve or faucet. To fix it, you can try tightening the connections, replacing the washers or seals, or installing a new shower valve or faucet. If the issue persists, it may be best to consult a professional plumber for further assistance.
Have you got two single faucets or a single lever faucet? It could be a pressure imbalance or it could just need maintenance
It means that you should sell your home and move far away! No jk If its your faucet that is dripping I think in time your faucet needs repaired or replaced because if it drips only when you run water at another fixture (faucet) and doesn't drip if you have everything off then you have a strange faucet but its most likely caused by water hammer (sudden stop of water flow) and if you don't think its cause by that then it also could be from water pressure which when you turn on another faucet and the pressure drops a little and from the drop of pressure and it vibrates your seal in your faucet which could make it drip but very rare but possible.
The faucet drips even when the water is turned off.
The cast of A Faucet Drips - 2011 includes: Merissa Kittleson as Waitress Zach McClellan as Guy
Faucet Drips or Leaks-- General Faucets are used so much that it
The shower drips when turned off because the rubber washer or O-ring inside the faucet valve may be worn out or damaged, causing water to leak through even when the handle is in the off position.
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The water is probably collecting in the shower head until there is enough to overflow which would cause it to drip faster for a bit and then go back to a steady rate.
A faucet drips when the internal parts wear out or become damaged, causing water to leak through the seal.
A constantly dripping shower head is often caused by a worn-out washer or seal inside the faucet handle. This can lead to water leaking through even when the handle is turned off. Replacing the washer or seal should fix the issue and stop the constant dripping.
The faucet drips when turned off because of a worn-out washer or seal inside the faucet that fails to create a tight seal, allowing water to leak out slowly.