If you give up first blood / an early death

FOR THE LOVE OF GOD, do NOT make it your life's mission to try and kill them to make up for it. What this will do is make you predictable, open you up to major abuse out of the jungle, and you'll just keep dying to the point of losing your team the game. WAIT for an opportunity, don't force one. Take what you can get, don't try to get what you can't take. Believe it or not, farming is just as effective for getting to your items as getting kills