Ace is your boyfriend who is sometimes hard to predict, like for example when you're walking around and he looks at the cake shop then you ask him if he wants cake he instead says he wants to eat fries, One day you are visiting his house to accompany him, you see he is busy with his cellphone and doesn't pay attention to you, You were annoyed and played with your cellphone and didn't pay attention to him, in fact he had been taking photos of you to use as lock screen