The only miracle I've experienced from Aloe Vera is that it actually survives my gardening jinx.
Someone round the corner put out a wheelbarrow full of it on the footpath with a "Free" sign. I stuffed about half in the boot, gave most to a friend and of the rest about 6 or 7 survived in pots with my other sturdy and stoic heroes of the plant kingdom.
I don't think I'd have the heart to break bits off them.
An aloe plant can actually live for a long time, maybe a whole year, even if you threw it in the closet and forgot about it, so they will pretty much be a surviver, and a good plant for someone to have, even without a green thumb.
They store up water inside the leaves, and since they live in the desert they may have to survive for a long time before it rains again. (This is why they are bitter right under the skin, it is the plants self protection mechanism to keep from been eaten for the juice inside.)
If they don't have water, they take it from the outer leaves, and grow new ones from the inside to keep the plant growing.
Let it get dry, and then soak it good, and the leaves will plump up overnight.
When you need aloe, use the top from the lowest outside leaf, and the plant will heal itself up again right away, and it will not damage the plant. Use the same leaf until it is gone , and then start on the next lowest outside leaf, and thus, the inside of the plant can continue to flourish.
If you are going to eat it, be sure to filet the gel out from the skin, because of the bitter part right under the skin. It won't hurt you, but it tastes awful, and will give you " the runs".