He who knows that enough is enough will always have enough.

Enough is not a fixed amount but a point you decide on, and if you never decide, no quantity will reach it. Wanting tends to run ahead of having, so each gain quietly resets the target and sufficiency stays one step out of reach. None of this is aimed at someone short of rent or food, where the shortage is real and no attitude closes it.

Where your needs are genuinely covered, try naming what enough would look like in one area, whether pay, possessions or workload. Writing it down makes it much harder for the target to move without your noticing.