What you allow your milieu to feed into your mind is what you will be processing. It is what will carve the pathways of your brain. This is perhaps well-understood, in theory if not in practice.
But it is equally important to consider who and what you are sending output to.
my sense is that people who take a long time to respond to messages, or tend to go into shame spirals about them, often put a lot of pressure on themselves to respond in a specific way