Am I overreacting?

So last night my boyfriend went over to his friends party which is fine but he called me to say goodnight and said oh ya before we went to the party we picked up some random girl and dropped her off .... So him and his friend picked up a stranger ... I feel uncomfortable with that cause I know If I told him I picked up a random dude he would be upset too ... How am I suppose to feel ? :/ do you find that weird at all 

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