It takes a while to make it a habit , but if you mentally or outwardly feel/say something judgmental about something or someone, take a second to challenge yourself on that . has improved my life over and over again
step 1: learn it
step 2: plan to move there
step 3: fall in love in a completely different country and learn that language instead, completely overriding the language you just learned
on second thought just skip to step 3
