The question is quite simple. i have no fear or sense of embarrassment. is this normal?

Great question: Normal may have to do with whether or not it interferes with relationships, hapiness, or has negative consequences. One person's fearlessness is another's insensitivty or obnoxiousness. While confidence is good, a normal sense of anxiety and sensitivity allows us not to bump into people, or hurt others. If others are complaining about this it may be a good idea to talk to someone and explore it.