diabetics can't have apples, grapefruit, watermelon, etc etc and if he was eating Splenda isn't good either...it's sucralose...made from sugar...and in studies have shown that it can affect blood sugar and insulin, not to mention has been noted in increasing the risk of cancer. It also is being studied because it tends to show that it kills the good bacteria in your stomach and intestines, also inhibits the body in creating more good bacteria