#TWYL

I know many of you have been wondering "What does #TWYL mean?" Shhh....it's a secret! But....since I'm a nice guy, I'll give you a hint.

Hint #1: It begins with a 'T' (does that help? lol)

Hint #2:  It's sorta like Why, What or Where but refers to time.

Hint #3: What rhymes with glue but starts with a 'y' and ends with a 'u'?

Hint #4: "And now these three remain: faith, hope and _____?

The first person to correctly answer wins a prize!!! 

Ready? Set? GO!!!