D. Tenderness
It is the word that most similarly relates.
Mental illness in no way makes you weak.
Social media CAN cause depression in teens but doesn't always.
When could is used it refers to an ability that <span>a person generally had in the past or to something that was generally possible in the past, can is present.
I could wash the dishes for you. (having the ability to do it)
I can wash the dishes for you. (its actually going to be done)
hope this helps you! :-)</span>