I ride every day and down a set of stairs. If he wants more in depth info he can go watch a video.

What i’m saying makes sense if you’ve ridden any features that require you to deweight your back wheel. Most of your weight will be over the front wheel but you yourself will be mostly center on the bike. This isn’t rocket science. If he wants to gap the stairs (doubtful since he said he learned to ride a month ago) then i’d say lean back in preperation for a bunny hop but since he isn’t then the easiest thing he can do to not fuck up his bike is to lean forward a tiny bit as he descends. He’ll try it a few times and figure out where his balance point is since it’s different for everyone. until he figures it out he’ll probably pop a few tires.

Biking over features can get you hurt, if you only take advice from one internet stranger you’re asking for trouble anyways.