About My Girlfriend

Hello Friends!! I am in relationship since 3 Years we can't live each other. Now these days she will go an marriage this week but its previous week my uncle's sister marriage is near. I want to go with her but little confused how it may be possible. If both marriage are important for me and i attend my uncle marriage then i can't with her and if i go with her then my uncle's sister marriage i can't attend am doing job and not stay for 1 week but i want to go with her bcoz i love her a lots.There are a lot of confusion please suggest me right way what should i do plz plz plz...!!