There is nothing to add! Cool! :)
Yes, complaining is merely the result of having taken over external Truth and then playing victim to our life experience. 'I didn't want that in the first place' is finally our excuse, the source of blame.
So better we start returning to the one and only Truth, which lies within. Only then we take responsibility for our experience...but we are eternally, so eventually we find all back Home. It is guaranteed. :)
Thank you, @alexaventuria, for adding this important spiritual dimension to the discussion.
Namely, we are all responsible to some extent for our fortunes. If we truly examined this, we would have neither the time nor energy to blame anyone else, or external circumstances. Food for thought :)