im almost the exact same minus the severe panic attacks (apart from 2 times in my life) and seizures. i only started to mildly stutter late high school and soon after graduating i decided to go to cosmetology school and from there on my stutter got really bad. now it’s somewhat manageable and some days are better than others but for some reason i hardly ever stutter when alone but can be so bad at it when talking to anyone, even people im comfortable with