Blissfully unaware

'I called you for the 27th time today babe, what’s gotten into you? You always answer my calls, has something happened? '

- obsession
1. preoccupation: an idea or feeling that completely occupies the mind
2. state of being obsessed: the state of being obsessed by somebody or something
Their devotion to each other borders on obsession.
3. psychiatry uncontrollable persistence of idea: the uncontrollable persistence of an idea or emotion in the mind, sometimes associated with psychiatric disorder

Either one its still deadly

(Frerard.)