to ignore people who try to warn you
Jenny: hey, Tyson isn't serious with you and told me he has been in love with someone else for years.
Janet: No way, I'm perfect and we're getting married.
(2 years later)
Single Janet: Whoa, I didn't see this coming.
Jenny: I told you not to hannat, now you're alone when you could have prevented it by not being so arrogant.