Zero and First Conditionals

If you listen, you learn

If I drink too much coffee, I can't sleep at night.

If you heat ice , it melts

If you are talking , I can't concentrate

If you don't pay attention, you make mistakes= Unless you pay attention , you make mistakes.

If you don't tell him stories , he doesn't sleep =

Unless you tell him stories he doesn't sleep

If you try hard , you will succeed

If I need help , I will call you

You won't lose any weight if you don't start eating healthier food. =

You won't lose any weight unless you start eating healthier food.