Welcome to flying the bent-winged bird.
The key is getting a feel for how far you can push the Hog before she snaps over (this applied to all marks, though some are more twitchy than others).
My advice if you're still learning is to keep the Hog fast, ESPECIALLY if you're in a large fight. She's both highly maneuverable, and more stable, around 300mph. She can and will hang with about anything at low airspeeds with flaps out, but you're riding a fine edge and it takes a steady hand to push her to her limits without crossing over (and as you've doubtless learned, the Hog can be nasty once she departs).
It's also a matter of quick recovery. If you can time it right, you can catch the accelerated stall before you lose position in a slow fight.