It would be best to take it to a vet and ask if he has anything on him, or if he is going through some sort of emotional state
The first stage (dialation)
An advantage of the syringe method is that blood appears in the hub when the vein has been entered.
Answer:
It's sight
Thus, sight just is that power by which we are aware of the colors of material things.
What one means by an external sense is obvious: one of the five means by which we are directly aware of the world around us. They are sight, hearing, smell, taste and touch.