Idiom
go off the deep end and jump off the deep end
Theme: LOVE
to follow one's emotions into a romantic situation. (Informal. Refers to going into a swimming pool at the deep end—rather than the shallow end—and finding oneself in deep water. Applies especially to falling in love.)Look at the way Bill is looking at Sally. I think he's about to go off the deep end.Now, John, I know you really want to go to Australia, but don't go jumping off the deep end. It isn't all perfect there.