A typical person needs about 1000mg of calcium per day. If you eat more than you need, your bones will absorb some, and your kidneys will dump the rest of the calcium from your bloodstream. This slightly increases your risk of developing a calcium-rich kidney stone.
If you get too much calcium you may get calcium deposits on your bones.
Too much calcium makes the bones brittle.
You can get cramps
it will overflow
If you get too much calcium in the body, you can get sick, or possibly a kidney stone.
I believe you can get kidney stones. But its rare.
it will go cold
You die
You puke!!
nothing
Calcium is needed for the development of the skeleton, which happens a lot in growing kids.
you will probably get sick