Start off with ant size paper, as long as its SQUARE it will work. One sheet will make 2 hearts.
Fold it in half.
Cut on the fold.
Fold one of the halfs in half, with the right sides in.
(ignore my dotted line) Flip it over, make sure what you want on the outside of your heart is on the bottom.
Eyeball the middle of the paper, fold the bottom up to it.
Fold the right side up to meet the middle.
Do the same on the other side.
Flip it over
FOld the right corner over
Now the left
Fold the outside right point down
Now the inside right
do the same on the left side
fold the top points down
Flip it over and your done!!