tweaky in a sentence

1. Hi, I am Tweaky, the brain behind Into Windows.

2. Researchers have set out to make cars far smarter than today’s models—especially when it comes to dealing with their twitchy, tweaky, all-too-human drivers.

3. I would still have been a sex addict without the Internet, but it’s hard for me to picture because those two tweaky compulsions are so tightly wrapped together for me.