Driving boyfriend to airport for his two week sailing trip he informed me two girls were joining his group of three men. Was it wrong to be angry?

Updates
1 mo
We were 20 minutes from the airport when he said by the way the two girls are sharing a cabin so I don’t have to share with one of the guys. never before have there been girls on the trip in a 40’ boat! He waited until last minute to casually mention it.
Driving boyfriend to airport for his two week sailing trip he informed me two girls were joining his group of three men. Was it wrong to be angry?
Post Opinion