Which are correct please?

Which are correct please?

This dog will tell you if you are going to get sick throughout your life/lifetime.
I don't mean to put pressure on you /your shoulders.

Pain won't be relieved by medication/Medication won't relieve the pain.

Bed bugs don't necessarily live dirty environments/places. If there is blood, they are happy.

If he is going to die, I might as well do as many things as he can the time he has left.

My body hurts/aches.

Thanks