[MatthewS]

I understand that Callum and Sam are tight, but surely Sam should be able to think on his own. Him and Dexter have never really had a serious problem with eachother, and by Sam's own admission, his biggest problem with Dexter is not getting a thank you every time the door is held open for him. I really don't think it takes a genius to see that both Dexter and Callum play a significant part in this drama between eachother, it's not like either party is completely innocent. Sam getting involved like this and blindly following Callum (who he's only actually known for 6 weeks, and has never even met in 'real' life) really does show his immaturity imo.