Life is like a battery.
There are three kinds of batteries. Charged batteries, dead batteries, and bad batteries.
Charged batteries solves problems, Dead batteries are good for nothing, Bad batteries cant charge no matter how much power enters them.
Batteries give signs. But many ignore their beeps and live on low battery till they become dead batteries.
Dead batteries can be recharged. Bad batteries must be replaced.
For your destiny to be full of light and life, your bars must be full. To maintain full bars, don't waste your charge and make sure you recharge.
Do you feel bad? Replace. Do you feel flat? Just recharge, because life is like a battery...