Poull

hay all. I too have stresed over and over about this hole end to space. im not the smartst person but someone please help with a more relistic answer. I belive, there has to be an end. NOTHING can realy go for ever. not somthing that big. people say the universe is ballon shaped. that cant be right. as there has to be something on the other side, particles or what ever it is called. but beyond that. It drives me crazy. for example. there could be a wall, but i brake threw that, then what? i know it sounds silly. But i need an answer of sorts that i can understend