It is very important to evaluate the momentary emotions and find out if there is a really rational signal that the brain sends us, or simply tells us that we are afraid, and fear is a false alarm that seems real. If you decide (consciously) that your body and mind are afraid without a valid reason in this situation, you need to realize that it will take some time to overcome the fear of the situation. It definitely won't go away in a day or two. Usually, we need to start working on a new type of reaction to the situation and combat fear and negative emotions every day until we can reach new levels of comfort.