DID THAT REALLY JUST HAPPEN 🤦🏽‍♀️

I’m so confused right now, my boyfriend and I have been together for 4 months and the weirdest thing just happened. He spent the night over at my apartment and he literally peed in my bed right before his alarm for work went off, he jumps up in a frantic which wakes me up and I kinda stretched my arm back and my hand touches a huge wet warm spot and I’m like no way ( half sleep still), he notices what he has done and grabs his bottle of water from earlier and pours it all over my bed and says babe get up I just waste this water all over the bed, and begins removing the sheets, now I’m already aware of what just happened and I love him and could tell how embarrassed and anxious it had made him so I pretended as if I was so lethargic and sleepy and laid down on my futon and “went back to sleep” I could hear him rummaging and then I heard him pour the other half of the bottle of water on my mattress (I’m assuming because he’s like shit it’s going to smell if I don’t so something), then he left. He usually gives me a kiss and says bye and will even talk to me until

He leaves but given the circumstances he didn’t. I made sure he was gone and jumped up and grabbed some cleaning spray with bleach and then scrubbed the mattress and put my floor fan on high and sat it on the bed to help dry. Nowww, my mind is running wild because I want to say something but I know as a grown man he wouldn’t want to admit to that and I already know how it made him feel because of his behavior. But it’s like that’s my mattress and even though he put water on it like it’s still urine and it makes me uneasy in a way that he didn’t say what really happened, and said it was water and if i didn’t scrub it, it definitely would’ve carried an odor and still may do so 😩. I wouldn’t have judged him, mistakes happen and I know it was a mistake. He’s slept over plenty of times before to know, he doesn’t do this. He’s 33. What should I do?

Update: he texted me a ridiculous excuse out of no where I laughed lol, not believable at all but I still love him and for that I’m choosing to keep my mouth closed. I’ve already ordered a mattress protector off of Amazon 😅