That metaphor; helpful to see all as very precious, like obviously for many a mom is, that reduces the coarse thinking and makes the wall of duality less solid till a fortunate one then see the illusion of the wall when warm heart is in wisdom. Then spontanity needs no description.
P.S Don't breath my air.
The Atisha's life story is good, some versions don't mention that he went to Indonesia.
I don't see how You could own even one molecule of the atmosphere ? You don't own even atom of your material corpse. In the end it is all given back to the earth, water, fire and air elements, when you die that is. It is given back gradually to the elements of the universe daily, when you urinate, sweat, defecate, spit, dandruff, lose hair, shave, cut your nails and so on...