Perhaps true love is not about grand declarations but the small everyday things, like firewood, rice, oil, and salt?
Shu Yu is quite lazy. But we must distinguish between not knowing how to do something and being too lazy to do it. These are two completely different concepts.
Shu Yu belongs to the latter category. Many things, many tasks, he doesn't do not because he can't, but because he's just too lazy to do them. However, when he really puts his mind to doing something, he often surprises people.
OCD, who knows if that's a disease or not. But Shu Yu's OCD is somewhat petty in everyday life and seems like a detriment, bringing many inconveniences to his life. Even Dong Huiying, his often cohabiting wife, sometimes can't help but secretly complain about his obsession with cleanliness.
However, a man obsessed with cleanliness is very suitable for cleaning, as his standards are high, almost to the point of nitpicking, cleaning even the mud in the cracks of the bricks.
