I've been in the pink lately.  Hope to continue!  
What about you?  Are you in the pink?
Oh, don't you know what it means?! Check below, then:

From:
http://www.bbc.co.uk/worldservice/learningenglish/language/2013/08/130806_todays_phrase_in_the_pink.shtml
French football fans wearing pink clothes
Pink is the colour for these football fans at a French cup final match. Photo: Michael Steele/ Getty Images.

Today's Phrase

If someone is in the pink, they are in good health.
Examples:
Rob has recovered from his cold and is in the pink again.
Ruth looks very well, she's certainly in the pink.

Take note

If you are tickled pink, you are very happy or excited about something.
Examples:
Pippa was tickled pink when she got a new car for her birthday present.

Interesting fact

The photo shows supporters of Evian Thonon Gaillard during this year's French Cup Final match between Evian Thonon Gaillard and FC Girondins de Bordeaux at the Stade de France. Bordeaux won 3-2.