How to detect autism in adults?

I will give you 5 keys to detecting autism in adults. 1. Eye contact. Do they avoid looking you in the eyes? Looking at people in the eye actually hurts for someone with autism. 2. Sensory issues, sounds, textures, foods, smells, group and movement. Having autism is like having super human hearing, vision, feelings, every sense is multiplied in how it functions. Watch for over sensory issues, do they cover their ears, cover their eyes avoid crowd, freak out at odd times? 3. Obessive Compulsive Disorder. Do they link up their socks in the drawer or the cups in the cupboard. Does everything have to be perfect or they will have a meltdown. People with autism like order and schedules. 4. Social skills. Do they have any friends? Are they overbearing, stiff, dogmatic very opinionated? Do they monologue instead of have back and forth conversation.? I know of very, very, few aspies that have a best friend. 5. Slow brain processing speed. Someone with autism take longer to respond to input than regular person. They are slow to respond to a question,  when stressed they freeze up and can't respond. This is because in the frontal lobe of the brain is where executive function takes place. Execute functioning is the boss of the brain the CEO of the brain company. Autism affects this area of the brain, the organizing center, with no CEO the company is in confusion and disorganization. Someone with autism make take longer to process information. I hope this helps, this was "Autism Diagnosis 101"