The reach around you describe will yield a MUCH higher blade angle when it gets to the other side of your face. You will also tend to pull into your face verses along it. I went through the same thing myself. It will pass as you watch yourself in the mirror, realize you are cutting skin instead of whiskers, and know what the blade feels like in your hand and on your face as boo-boo’s happen. You will stop quickly enough when you recognize “the feel” of a cut in progress. Soon it will be second nature to adjust for all of the above before you actually bleed. This is right about the time you will start thinking “shaving with either hand would be a very nice skill!”. It will come with practice.