Earlier quoted context omitted.
I think this methodology is a kind of recipe for detaching from yourself completely, leave out the last two clauses which I do like. But, philosophy of suppressing emotions seasoned with substances which inhibit Default Mode Network in your brain? Sure thing if you have failed or feel stuck as a short term remedy, but ain't you gonna lose yourself if do it regularly?
On the contrary, stoicism helps you re-attach, especially if reality as perceived with your old mindset has become unbearable. Think of it as a way of viewing things, and less of suppressing anything. Emotions are generated as a reaction to your perception of reality - you will be fed up by the stranger running a red light, but your anger will swing to concern if you learn that they are heading towards an emergency r…
DMN is an ancient part of brain which acts like primitive unconscious task scheduler. When it goes nuts, you binge on substances and reset it, then sober up and feel happy. Something like that.