how we look at life?

so many things in life are negative why is that? why cant we look at things that are bade in a new way find the positive lining in all things. fore example one day the bus drove right past me i got all mad and was swearing at the bus driver. i need to tell you that i could not find my bus pass that day. so when i whent home i found my bus pass. so the good thing that whas that i saved the mouney that i was going to use.