What are the implications of Infinity in Physics, such as QP, GR, SR. Like i know infinity leads us to black holes and other things. Do they do not pose a serious problem to physics. If anyone can give me some insights of dealing with infinity please do because to me the implications are bad when it comes to the mathematics behind the notion. To me inifinity is an abstract mathematical issue, and i understand that it is a must, because it will sooner or later come into the picture, but if all math breaks down at infinity or a lot of it, it's hard to reconcile with it. So i guess what I am asking for is for a knowledgable person to explain to me how infinity works in physics. How it can be treated. How solutions can be understood.