① You’re thinking too much.

　　② Don't put too much thought into it.

　　③ It's all in your head!

　　举例:

　　场景一

　　Emma：I think he likes me. Every time I see him, he’ll smile to me.

　　Emma：我感觉他喜欢我。每次看到他他都会冲着我笑。

　　You: It’s all in your head! He has a girl friend now.

　　You：你想多了。他已经有女朋友了。

　　场景二

　　Jackson：I think I am gonna win the lottery.

　　Jackson：我感觉我要中彩票了。

　　Tim: You’re thinking too much.

　　Tim：你想太多了。