A bit different one:
The year was 2010, and I was living abroad at the time. I was visiting the old country for a few days to renew my passport, and the day before I was supposed to fly back to where I lived, two things happened:
Long story short, my FWB and I reconnected in the extra time I was given, and things developed further than they ever had before. Today we have a house and four kids together. I think it’s getting serious.
I use it as anti-seize for RF connectors. It allows cables to connect to antennas without getting stuck, even if left like that for years in maritime environments.
EDIT: Just make sure the vasseline is neutral and not (even slightly) acidic. Otherwise it’ll cause corrosion.