How to win a team game

Step 1: Quit telling the {Top, Jungler, Mid, ADC, Support} to kill him/herself

Step 2: Group Up

Step 3: Ward

Step 4: Communicate. What are your winning conditions?

Step 5: When you start to win, don't throw

Step 6: Don't get cocky

Step 7: Do not BM at Nexus

Step 8: Do NOT build Full Damage

Step 9: Think about your teammates

Step 10: Be positive no matter the outcome