Pick your answer from:
[I] Common reasons that a scorpio stares are : The senses: either the physical sensation or the individual's own personal appreciation of their surroundings. The smell: scorpios often smell something citrus or floral.
[II] This may not always be the habits of just scorpios, it could be a cancer or someone just staring, so try some other steps featured here to be certain. Look to see if anyone is unusually sitting quietly.
[III] If you see a scorpio staring at you, just say " hello! " to make it clear that you're looking for a scorpio. Never stare straight into the camera (or vice versa).
[IV] Any second time down the road, you will find a scorpio who is looking at you slightly with no change of expression or judgement. Hold his gaze, but not too long.Choose from options above and answer: What most naturally follows?

How to find a scorpio 
Search for someone staring at you. 
You will find they stare for more than 5 seconds or stares it repetitively. Scorpios tend to stare too much and analyze their observations.
Answer:
[II]