i don't like the vest at all it makes my tummy hurt i hate having cf it kills me and i never have time for the 8 treatments 4 vest and the 4 tobi and yuck tobi is nasty it taste like rusted metal. how old are you guys??? i am 10 do you guys take tobi. or do u live any where close to nashville well thats my hosptial vanderbilt its a nice hospital i hate going there and i hate cf i wish a lot i could trade bodys with someone else so i could have a normal childs life ad not worry about medicine its crazy