Is it normal for me to be pissed about this? (Boyfriend peed his pants)

On my way to a baseball game with my boyfriend. Planning to stop at this cook restauraunt first ive been wanting to try out. We only left the house 30 minutes ago where he peed. Well he said he had to pee super bad but we were on the freeway in heavy traffic. I told him that its disgusting to pee and he could get arrested. Well he groaned and couldnt wait any longer. Turning off the freeway, he started pissing his pants…. Then whipped it out and the stream kept going. Pee splattered on the steering wheel. Im just very disgusted. He kept saying its super embarrassing and kept apologizing. I love him but idk what to think. Currently typing this as hes cleaning himself up in a bathroom, while the car smells like piss… i offered to buy him pants at a nearby store and he refused saying he’ll clean his pants in a public bathroom and let it dry since his pants are black. Ugh im grossed out. Kind of ruined our vibe. Confused as to how a 32 yo grown man suddenly has to piss and cant hold it 1 minute. This has never happened before.