Those huge stars have lasted for millions of years by taking care never to...

Those huge stars have lasted for millions of years by taking care never to absorb any of the fiery rays lovers all over the world send up at them night after night. To avoid that, the star generates so much heat inside itself that it shatters the rays into a thousand pieces.
Any look it receives is immediately repulsed, reflected back onto the earth, like a trick done with mirrors. That is the reason the stars shine so brightly at night.