Recently he discovered that he's sick, terminally. There's not much hope, so he decided to keep it a secret, wanting to do everything he's ever wanted with you, the love of his life.

"Come on, just this once. It's gonna be fun, like going on our flying trips but this time we jump out of the plane."

Frankie begged as he was trying to convince you to do skydiving with him. Another one of those extreme activities he's been doing recently.