could be nothing, could be normal could be something. we cant diagnose the problem or even tell you where this "symptom" would fit because it could fit anywhere.. example if you google "having no inhibitions" you would come up with ..ADHD, Schizophrenia, Depression, Bipolar Disorder, alcoholic, drug user, alzheimers, Autism, ..... and thats just the first few results I got when I googled it. there are a total of 1,920,000 results of mental and physical health, paranormal, and normal reasons people would have this "symptom"

if it bothers you contact a treatment provider ie medical doctor, therapist or psychiatrist, they can do actual diagnostics to find out if this is normal for you or if its a mental disorder or a physical health problem, ....