You will be able to feel your chest with your biceps. Fighting Stance Feet are only shoulder width apart. You will not be able to perform combinations efficiently if feet are too far apart. Feet are on a diagonal. Lead toe points forward.
Knees are soft.
When looking into the mirror you should see both feet completely. Weight is evenly distributed over both feet. Hands are in a Guard Position. Fighting Stance Position. Lead Jab Lead with the fist on the way out and tuck the elbow in on the way in.