Phase

Why these days, the Moon is up till so late? Don’t worry, it is just going through a phase.
My attitude isn't bad.
It's in beta phase.
Libya changed its plain green flag to a crescent moon, but I think they'll change it back.
It's only a phase, after all.
Whenever you and me get together, it's like superposition of 2 waves in phase.
A dangerous surge of electricity walks into a bar. The barman says, why the long phase?”
A small piece of sodium that lived in a test tube fell in love with a Bunsen burner.
"Oh Bunsen, my flame," the sodium pined. "I melt whenever I see you,"
The Bunsen burner replied, "It's just a phase you're going through."