Show your emotions, proudly - fighting off emotions may only make them worse. Emotions will come out, they must - so let them.
If we push a 'negative' emotion away, our brain can hold onto it more because that is what our subconscious is designed to do. By getting curious and welcoming the thought, feeling, or emotion, our subconscious simply lets it go.
We remove the negative attachment, we embrace the fear, and our brain says, "Nothing to see here, let's move on to something else".