Puppies learn gentle play from how we respond. This post shares what many owners wish they'd done sooner: short play sessions, a quick pause when teeth touch skin, swapping in toys, and avoiding rough wrestling. Love My Puppy put this together. Growling with stiff posture is a reason to call a trainer. https://lovemypuppystore.blogsumer.com/42241771/teaching-gentle-play-what-i-wish-i-knew-sooner