Infinity is just an idea. It does not exist in reality. It cannot exist in reality. As a painter you are told it is the point at which parallel lines meet but, by definition, parallel lines never meet. They only appear to meet if you are far enough away. Even further away the lines disappear completely. From even further away we all disappear, even the planet disappears.
Perhaps infinity existed as the potential of everything before the beginning of time and space, before the polarization of energy which created physical matter, before the act of division which makes two out of one or the act of multiplication which takes two twice to become four. Finite means limited. Infinite means unlimited, without end, encompassing and containing all things. Are there any bounds in an ever expanding universe?