1: No heat on hair, no straighteners, blow-drys, curling irons, etc.
2 : Try and do protective styles, no point in taking so much care of your hair by not putting heat in it, you might aswell protect it
3: do Deep Conditioning at least once a amount, a deep condition is simply when you leave a conditioner in your hair for at least 1 hour or more.
4: The second and third rules are not necessary.