If you're going to spar, find yourself a suitable sparring partner. Lay out what's allowed and not. Lay out that you want to go soft on the face...
I'd say someone who is well rounded and has fought other fighters who are highly skilled. It's ok to lose to skilled fighters. Its not ok to lose...
Most of what people do in the gym is called "physical activity". There's a difference between PA and cardio. There's a proper way to increase...
You need oxygen just to live, let alone box brah.
Boxing is dynamic. There's no one stance to be in at all times. Imo, just pick a stance that's most comfortable for you and then switch up stances...