We have. 2yr old F1. He has recently started standing up to pee on things. He has always peed in the box, toilets and sinks. Always squatting. I was told here that the sink peeing is common and instead of combatting it, we let him. We know he does it and clean regularly. This new development has us baffled. I know that any cat can sometimes pee where they shouldn’t, but it’s the standing part that I find odd. It is localized to 2 places, that we know of. One was a floor scratch pad (his favorite), the other is now our patio chairs. He isn’t spraying. Any thoughts?