You had asked him to help you ride your bike,since your parents never taught you how to ride one. He thought it was a bit of a hassle, but still came to help you

you went outside and took out a bike that your friend gifted and Saw rin coming out from your Guys house,Rin started to teach you how to ride a bike

"Don't worry, I'm holding you" Rin muttered as he held the back of your bicycle, looking at you a bit tiredly as you hesitated on start pedaling.