well, is infinite energy/mass possible? back to your question- you are forgetting the laws of thermodynamics!!!! a region of high energy/matter will diffuse to an area of low energy/matter until an equilibrium is reached. first the cycle is made where a region of high energy is created- the outlying area becomes void of energy/matter this is a type of black hole that is greater than an actual black hole!!! something must!! take up a voided space! so the matter/energy that has been condensed by its own mass/energy will finally reach a state where it can hold no more. think of a glass of water in an enclosed area- the cup of water will evaporate until it has reached the maximum saturation of the surrounding area- then it will start recondensing. if the water was a ball floating in space, thenit would evaporate but if the ball was enormous it would keep its shape due to gravity. now after a time if the ball grew to a point where there was nothing surounding it- eventually the water would start dissociating back into space.