If you shoot left-handed with your normal right eye dominant, you will probably bend your wrist and have recoil that's not aligned with your arm. You might try switching to the left eye and even close the right one to establish "normal" alignment of the pistol, wrist, and your arm.
In the end, it's what ever works best for you after some practice. I suck at weak hand shooting and don't do much of it.
Wynn
USAF Retired '88, NRA Life Member. Wife USAF Retired '96
Avatar: Wynn re-enlists his wife Desiree, circa 1988 Loring AFB, ME. 42nd BMW, Heavy (SAC) B-52G's
Frédéric Bastiat’s essay, The Law: http://mises.org/books/thelaw.pdf
Thomas Jefferson said
“A government big enough to give you everything you want, is strong enough to take everything you have.”
and
"Peace is that brief glorious moment in history when everybody stands around reloading".