As twitch, Roam around with your s as much as you can as it can allow you to get kills with utmost ease. You will also want to ensure that you keep clearing Control Wards on the map.

During neutral objective fights, you should close off Jungle paths from where the enemy is about to come. Your k should let you do that easily but drop it in one of the river entrance brushes.

Protecting your ADC should be important but don't go around throwing your life for it. If your ADC has become a liability, feel free to take matters into your own hands. As twitch, You will also want to make sure that you continue cleaning the control guards on the map. During neutral objective fighting, you should close the Jungle paths from where the enemy is about to come. Your k should allow you to do it easily but drop it in one of the river entrance brushes. Protecting your ADC should be important but not going around your life for it. If your ADC has become a responsibility, don't hesitate to take things in hand.