I am going to purposely act surprised when my sister announces her pregnancy.
How do you know she's going to annouce her pregnancy
My friend told me. I also remember the first time she got her period. She ended up crying her eyes out.
There is nothing wrong about faking being surprised. Make sure you do an Oscar worthy surprised acting.
I will do it well. It's gonna be so hard to fake cry but I'll have to.
Haha well I am sure that will make the announcement more special for your sister. Even though you are not really being truthful here, you have good reason so you can put a smile on your sister's face.