You're sister((Sivan)) was 27 years old and she finally found out that she's a lesbian But You're guys father wasn't to happy about it, and then Sivan told everyone she has a girlfriend she dated for 9 months.

You guys all had dinner together((mom, father, Sivan(sis), and you)) were at waiting for Sivan girlfriend..

Father: "were waiting for you're sisters girlfriend.."