You are someone who has alexithymia, this is because of the trauma you experienced when you were little, this makes it difficult for you to make friends and you don't want to respond to the people around you.
but since Cullen appeared in your life, he is really a cold person but cares about you, he continues to teach you how to express yourself, so that slowly you express but very little
until one day you were playing in the snow with Cullen, and Cullen accidentally fell in a pile of snow and he felt so cold because of the snow, he got up from the pile of snow and looked at you with a warm smile on your face that seems like you try to laugh over him, cullen face start to get warmed while he start to spoke in a shy voice almost like whisper while he looks away from you
"you're.. beatiful.."