Well, yes, of course, it can be normal. You should know that your eyes color can change with different emotions. Generally speaking, they become Light grey and light blue, when you are crying, sad, concerned, worried. And when you are clam, your eyes' color can change to grey. According to the research, Color change is caused by blood pressure. If you embarrassed or excited, for example, your blood goes faster through the veins and if you're calm your blood then goes slower. This is just like how your face becomes red when you’re embarrassed, your eyes change color. So it's very normal to have this situation. And you should not be too worried about it. In my opinion, controlling the emotion is a good way. Of course, you should not cry too much, or it can be harm to your health.
