Is he bonking with his nose or using his chin to rub? If it's bonking, he's saying 'Hello!' or 'Hey, I want something to eat other than hay - treats or veggies, please.'

If it's chinning, he means 'You're one of my stuff.' A bunny chins something so that the something can have his/her scent, it's normal in all bunnies. :)

He is trying to get your attention to tell you something. He may want a treat, he may be hungry or thirsty, he might want scratched or picked up.

awwwwwwwwww i miss when my rabbit does that! <3

that's how they mark their property or teritorry.

after some many months, he should stop, he'd already gotten used to you