Ill-advised to type anything into an internet based platform, be it ChatGPT or any other application. Therein madness lies.
I'm too trusting & my mouth seems to be faster than my brain which is the reason
use breathing techniques to calm down your 'monkey mind' which seems to go into overdrive and reactive mode. Every time you have the impulse to open your mouth to talk to someone, sit quietly first, deep breathing and actively think about the consequences of you disclosing something to a person to offload. Remember you can't unsay things or wind back once you've said it,
You'll need to practice this every time, it takes time to change behaviour from over-sharing, to being someone who can internalise frustrations and find other ways to make it dissolve away.
ultimately you're the only one who can choose to not use other people to vent. What you've obviously realised is that you'll get yourself in a lot of trouble and gain a very bad reputation for speaking out of turn. There's no magic formula, other than discipline of mind.
if you feel you cannot stop yourself from acting impulsively on a very regular basis, ADHD could be at play here, but it's impossible to do an internet diagnosis of you, it could be a sign though.