All anger is not sinful because some degree of it and on some occasions is inevitable. But it becomes sinful and contradicts the rule of Scripture when it is conceived upon slight and inadequate provocation and when it continues long.
I have never been able to grasp the meaning of time. I don't believe it exists. I've felt this again and again when alone and out in nature. On such occasions time does not exist. Nor does the future exist.
I think I don't regret a single 'excess' of my responsive youth - I only regret in my chilled age certain occasions and possibilities I didn't embrace.