I am a twin. When I was five I was diagnosed with ADHD and anxiety and am currently being tested for depression. My twin, who went through all the same tests as me and came back without a diagnosis, has been lying to everyone we know, saying that they have both ADHD and anxiety. They do not. They don't struggle at all with it. I know it's not my place but it really makes me want to scream every time they talk about their 'ADHD'. My twin is entirely neurotypical, yet they act like they have it worse than I do, like they aren't privileged.
TLDR; my twin is faking mental illnesses and it makes me want to run away from home.