Humans should be grateful if they haven't been in contact with
aliens, while humans are still making bloodshed with each other.

You may be able to collect, read and digest billions of reference about aliens and UFOs. Then you will find that most of them were claimed as hoax, others vice versa. Eventually, there is only one thing you want to do about it...the close encounter.

Let us think for a moment about alien, regarding possibility of the existence of other civilization beyond our dear planet earth. We probably conclude that it's all just hoax, or some rumors issued by ruling government for some purpose. Now, we can contemplate a bit about it by asking this simple rhetorical question, 'How could possibly people be able to think about something unknown, which have never been popped out in human minds at all?'

Wilier races had interbred with human race during immemorial.
Therefore no need to look for them on anywhere but in ourselves.

The truth is sealed.
Life goes on.
Till one day, history changed...
Like thief in the night,
aliens invade human.
Chaos happens prior to the new order of coexistence.
The truth is sealed.
Life goes on.
Till one day, history changed.

Why you keep trying to seek and encounter with me, lady?
The only best thing I can do to stay alive now is to be invisible.