1.
Thinking about him/her: If you like someone, you will always think about the other person, and you will suddenly lose your mind when you do things. When you suddenly wake up, you will find yourself thinking about him/her unconsciously. ...
2.
Looking forward to meeting him/her: when I like someone, I always think that I am walking here. Will you suddenly see him when you turn around? You will look forward to meeting him.
3.
When I saw him/her, I was ecstatic: I was nervous when I saw him, and my heart was jumping, but I didn't dare to show it. You will secretly look at him and think that his/her presence is the happiest moment of your day.
4.
Pay attention to all his/her movements: when you like someone, you will pay too much attention to all the news and every move of the other person, and you will listen when others talk about him/her. ...