Is It Normal To Still Be Upset About This?

Gabriella • 23 😩🥂🍷• Future early childhood educator • Alice Cooper fanatic 👁‍🗨👁‍🗨🐍• MCC • In love with my boyfriend • 8-2-16 😍🔐❤️🌎💍

So my sister has been estranged from my family and I for 8 or 9 years and sometimes I'll catch myself feeling sad about it....is that normal?