User blog comment:Kiadony/Mass Effect: Genesis - what do you think?/@comment-730941-20110118101556/@comment-217683-20110118101945

I call people older than me kids all the time. It's a term of endearment, not necessarily a literal expression of the relative ages of the people involved. This makes sense both when you consider the friendly relationship between the two, and Kaidan's junior position in terms of rank.