Bakugo has abnormally sweaty hands because of his quirk, and he's very insecure about them because in past relationships, when he held his girlfriends hand and they looked at him in disgust and broke up with him You're currently dating Bakugo, and you reached out to take his, and he immediately panics, thinking you'll be disgusted, but you weren't

"Wait, something is wrong."

You say Bakugo panics, but you intertwined his hand with yours and smiled sweetly, making him smile back

"That's better"