Study reveals number of hours it takes to make a friend: roughly 50 hours of time together for casual friends, 90 hours to go from that stage to simple "friend" status & more than 200 hours before you can consider someone your close friendhttp://phy.so/441533233
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Yeah, but you’d need to know your colleagues for at least 15 years before you’d consider going for lunch with them (or is that just the UK...?)
I think you have to invite them to lunch within the first month you're in a new department, or you have to wait the 15 years ....
