He had a skin condition called vitiligo. Which is white patches all over the body. It's very common in all races. He chose to bleach his skin (white) to match these patches. Although there is a topical medicine that can be prescribed to help this.
Most people when they are about to catch a ball they have there hand ready but soft, try having your hand ready but at a angle and when you catch it tighten your hand mucsles as fast as you can, you will feel less sting
Can slow reaction rate, increase temper and can make it harder to concentrate.