When the enemy team invades and your team is in the fountain
Even if it's just one person missing from the fight, it makes a HUGE difference. If the enemy team invades your jungle, they have a huge advantage because someone is d*cking around in our fountain instead of helping to defend. As a jungler, I can't count the number of times this has happened to me. I don't care what your excuse is. Leave the fountain the instant the game starts and help your team. Period.
Come at me bro