Don't be sad, because it doesn't mean anything. Maybe when she promised you, she said goodbye to her past with her signature. The girl you like must be excellent, which is why you chose her. Then such a good girl will definitely attract other members of the opposite sex. This will not only make you sad, but should make you proud. Maybe she wrote those things to see you again, so that she can say goodbye like in the past and stop dragging her feet. Maybe tell someone you are jealous of, thank you. Be generous and conquer her! Come on, because only by thanking the person who took care of your girlfriend for you when you were away, thanks and atmosphere, will you go with your girlfriend for a long time! This is the scale and atmosphere that boys want!