I posted something a little while back on my leopard gecko Draco not eating and how I was concerned about his weight. He has gained a good amount of weight and I have now switched him slowly back on a proper adult Leo feeding schedule. Now I have run into the source of his eating and weight issues, mealworms. He will only eat mealworms and I cannot understand for the life of me as to why. I purchased him at 4 months old and he was fed a very varied diet, and was an excellent eater, but as time went on he stopped eating crickets and didn't gain much weight. I never put two and two together until last week when he once again went off food after I got superworms instead of mealworms. He'll flat out refuse anything except mealworms which isn't good since mealworms aren't all that healthy and are tough to digest. I figured superworms were similar in size and shape so he'd perhaps eat them because they'd be a little easier to digest, but to no avail. I'm not quite sure how he can even tell the difference between mealworms and superworms. I guess I'm just not sure what to do, he's eaten mostly mealworms his whole adult life since he won't eat anything else and has been relatively fine so should I just give up on trying to get him to eat crickets and dubias? I've tried forcing him to switch off, but after a month of hunger strikes and losing a couple grams, I gave in. Is this unusual? I've never experienced something like this, and all my other reptiles have been great eaters. All advice will be greatly appreciated!