Quoting Legendary Bonnie Beaver:" You definitely have potential. They're just cropped REALLY tight. And some have a magenta cast to them. "
Try pulling back some. Also the photos are on the cool side. Also it looks as if your focus fell on the box instead of his toes in the first two.
Also looks like you were using flash, try to bounce it more or move closer to a window with good light to avoid harsh shadows from flash. Only time I ever use my external flash inside is when it's dark outside and I don't have enough natural light.