If you're accurate enough not to pee on the counter then the only thing holding back someone so inclined is the social taboo. It's not like the kitchen sink where stuff regularly goes in there. Does pee harm pipes? Will it make the sink bowl radiate a permanent smell? I just hate wasting water by flushing only pee but also don't like letting pee sit for an excessively long time.
if you dont want to flush or piss in the shower, just piss on your compost
:morshupls: me explaining how I'm doing advanced composting and water conservation
:thumb-cop: the police arresting me for indecent exposure for pissing in my yard