Covelant bonds:why dont the electrons(+) repel eachother?

[BlueShift]

what is the explanation for electron pairing in molecules since the electrons are all positively charged? Shouldn't they repel each other?
Any help would be appreciated:) sorry for the newb question :)

 

[ks_physicist]

First, electrons are negatively charged.

Second, the electrons don't really pair with each other, they fill open wells in the orbital space of an atom, and are held in place by attraction to the dense positive charge in the nucleus of the atom.