You basically are a potential of love and goodness in the world for the world is mostly negative.
The universe is filled with good people, but also killers, murderers, child molesters, rapist, evil minded and jealous people, the list goes on and on.
So you being here as a positive influence is certainly needed!
But you must protect your energy for it goes out and comes in like a water faucet.
People have a tendency of draining your energy without knowing it.