I have tried everything from gently explaining to my stepdad of his unhealthy habbits while cooking, such as he often sweats while cooking-drips into food, when his nose gets runny, also drips into food both at the table and being cooked, sneezes directly onto food. Mom litterally stuffs her mouth full of food and talks, sending little chunks of food in various places including me. Her vision is limited and if she drops on the floor-she still uses it. I have tried for a couple of years now to guide, tolerate, and correct the unhealthy habbits as gently as i can. Every time we visit each other food HAS to be involved. I just can not do it any more. I have been to embarressed to share but I need some guidance, can;t take it anymore. Thank you!