Settings → Privacy → Profile public off. Effects:

• Your `/u/@yourhandle` page returns 404 to anyone who isn't following you.
• Search engines stop indexing your profile (we add `noindex`).
• Your reviews still appear on the spot pages but with the byline replaced by "a DateSpots couple".
• Public plans you wrote stay public unless you also flip them.

Followers you have when you go private keep access; they have to follow you to see new posts.