this means stop stressing out, overthinking, or complaining. put your troubles in perspective and try to enjoy the short time you have on earth.
A - "oh my god we're going to have to walk all the way back to the bar cause i left my car keys there"
B - "slow down and smell the roses"
A - "wow this is nice scenery. it's a nice night, i like walking, and we're not really in a rush."