Noticed that they've started sending me notification emails about things my friends connected to my account that was deactivated for 4+ years. I was worried it

Noticed that they've started sending me notification emails about things my friends connected to my account that was deactivated for 4+ years. I was worried it had been hacked and activated by someone so I logged back in. Nope, so turned off the emails and "deactivated" it again.