Board Thread:Arrow discussions/@comment-1783334-20160601021958/@comment-27256933-20160813211508

Enda McNabola wrote: I realised something just now when the Bratva guy said "Only person you can trust, yourself".

At the begining, Oliver was consistent on working alone and through the flashbacks he endured many losses. Working with the Bratva must what makes him shut out everyone around him and keep them out of his goal.

Wendy Mericle said that we were gonna find out, in this season's flashbacks, why Oliver in the pilot episode said "No one can know my secret" and killed that guy, so your theory is more than correct.