Youtube: There are a few long-form creators I watch, maybe 4 hours a month of content. Besides that, viewing history is off, no apps, browser extensions block mostly everything (comments, suggestions, etc.)
Instagram: I have a 15 minute daily timer, because I sometimes post, and I sometimes receive DMs.
Reddit: Fully blocked, I think I ublocked everything.
Tiktok: I won't even download it ever again. It has an algorithm like no other for sucking me in. Dangerously addictive.
Facebook? Deleted it completely around 2013, so no idea what's going on there.
How's the dating scene where you are? Whatever bubble I'm in, in the US, while I could not be on Instagram, that would be making things harder on myself.
For those that are subscribed to Youtube channels: no need to have account. Youtube has RSS.