HELLO, I HAVE A QUESTION CONSIDERING MY BOYFRIEND'S PENIS, HE HAS A DRY MARK ON HIS PENIS, NOT ON THE TIP PUT ON THE PENIS, HE SAYS SOMETIMES ITS ITCHY, BUT RIGHT NOW, ITS DRY. ITS BEEN GETTING BIGGER, LIKE IF THE DRY MARK ITS GETTING BIGGER...DO YOU HAVE ANY IDEA WHAT IT COULD BE?