so me and my sister are a week apart in our pregnancies but she won't know that we are pregnant…

so me and my sister are a week apart in our pregnancies but she won't know that we are pregnant together again until tomorrow at her ultrasound where she get two surprises, her babys gender and knowledge of her new nephew. she was really stressing about feeling alone and wanting family to be there for her pregnancy. but in a way I feel kind of selfish.