I'm more insecure in real life and I always have that paranoid voice in the back of my head telling me things like somebody is spying on me or someone "knows" I did something wrong.
In real life I'm also more friendly and less trustful because I automatically believe that nothing can happen to me on the internet.
Sometimes I show a completely different personality on the internet because I cannot stand having my opinion judged because I think that that doesn't reflect onto myself, and also I am more of a jerk towards strangers because I automatically assume they hate me.
Internet's real, bro.