I have been with my DP for less than a year (we have moved from being boyfriend / girlifrend to DP) and things are going really well. One of her best friends is getting married and DP was invited and will have a biggish role in the wedding (she'll be a bridesmaid).
The invitation was originally for my DP, but since we get together and became a solid couple, I was also invited. However, there's a problem. The wedding happens to clash with a conference (that was planned prior to the wedding and is important although not life-critical for my work) that I was going to which happens to be on the other side of the Atlantic, and the wedding is in rural France. The conference itself isn't in a very accessible place (think rather than New York, imagine a place an hour's drive away from a smaller city).
The wedding itself is on the Saturday, and the conference begins on the Sunday but the conference proper begins on Monday morning. I have looked into travel options, and the best option I can find is really difficult. I'd have to wake up on Sunday morning after the wedding, drive across rural france, take a train from a small city to Paris, fly across the Atlantic, then take a four hour train trip across the US to get to the conference at 10pm on the Sunday evening and I'd be shattered on Monday morning.
My DP is upset about this, and I've thought of cancelling the conference and getting a refund, or if I should do the difficult trip?
AIBU? I think I'm not, and I think for her, this is about something else (an ex didn't like to go the weddings with her, and I think she was getting very excited about going with me to such an important wedding). Am I being selfish here?
Even if I am or not, I would really welcome some advice and how to handle this
PS, I've changed some details to make it less identifiable, and I am male. Thanks