SYMPATHY is when you are unhappy at the unhappiness of others; JOY is when you are happy at the happiness of others; ENVY is when you are unhappy at the happiness of others; and SCCHADENFREUDE is when you are happy at the unhappiness of others. This is how I understand it.
ROSE-COLOURED-GLASSES Wearing rose-coloured glasses is an expression for seeing everything in an attractive, pleasant light. On one hand it is cheerful optimism that sees only the good in the world and on the other it is naïve, self-delusion.
KNICKERS—I love the British word, knickers, for ladies underpants. It has a gentle naughtiness without being vulgar. In Britain it has surpassed all its rivals: smalls, briefs, panties, bloomers and completely replaced its predecessor, drawers. http://www.madrigal.com.au/2015/12/03/knickers-bloomers-drawers/