I also recommend jk or kj over jj. Much faster and less strenuous. And it has the added benefit that, if you type it when already in normal mode, it's effectiv

I also recommend jk or kj over jj. Much faster and less strenuous. And it has the added benefit that, if you type it when already in normal mode, it's effectively a no-op (as opposed to jj, which will move the cursor two lines down).