You might have observed them and then told to yourself that it's weird and then forgot all about it within a minute. This is how fast your life goes. There are many weird people around. Don't be afraid to be weird. Don't think about what they'll think of you because they are already busy thinking about their lives. They don't have much time to think of you. In the end, you are going to die
And I did have to go through a long process of understanding that it was okay to not conform to the traditional conventional definition of what normal really means, because as you say, end of the day, none of these guys or none of these people around you care to hoots about what actually goes on in your life because they're too busy minding their own life and attending to their taking care of their own issues that they probably are grappling with