Well, what do you have in mind?
If you’re on a desktop I recommend having a dedicated profile in your browser for YouTube specifically, and then install extensions that will not expose you to the algorithms, According to your needs. Such as untrap, sponsorblock and depending on your stance on thumbnails, dearrow.
You have to decide what degree you want to do that
I end up using YouTube as the dedicated search engine for that profile. That way, I’m not even coerced through search suggestions.
Then think about your values and see which channels align with that and which you can honestly live without because I think it’s very easy to turn something on to have background noise while you’re playing a video game or cleaning or whatever the case.
Then once you’ve decided what amount of channels you want to be subscribed to, the best thing I would suggest is keep that in your RSS feed and then get in the habit of checking your RSS feed first Or if you are looking for something specific in mind, that’s when you would open that profile and make that search.
If you’re on Android, I would just recommend using NewPipe or Tubular or LibreTube And making the homepage just completely blank. And once again, relying on the RSS feed to open your subscribef stuff within either of those apps.
If you’re on iOS, it’s a bit more complicated depending on your goals, but Brave is really the way to go if you don’t mind giving up all of its other features to make it a dedicated YouTube browser, It’s solid because it plays in the background, you can listen to it offline. And within Brave’s block lists, there is options to remove the recommended stuff.
You would have to copy and paste the links each time with this approach which is a bit annoying, but if you’re trying to stop a bad habit that annoyances may be what you want