break the ice

creating a more relaxed atmosphere when meeting new people
Context:-I never know what to do when I meet new people. That's why I rarely go out.
-You should learn to break the ice and just get out there. It will come with experience but you'll get there.
-I guess so. But knowing how to break the ice is quite hard.
Notes: Metaphorical - when ships called 'ice-breakers' would cut through ice to make it easier for other ships to pass through
Category: b,temperature