How to choose a good watermelon? If you buy a watermelon that has cracks inside, throw it out! If you decide to eat it anyway, it can do some serious damage to your health.Be careful when picking out the best watermelon at the grocery store or farmer’s market. If you buy a watermelon that has cracks inside, without a doubt, throw it out! If you decide to throw caution to the wind and eat it anyway, it can do some serious damage to your health, and this is why…Learn more about your ad choices. Visit megaphone.fm/adchoices