Question

what should you never forget about on your grey days?
better days are coming your way.
there are many more grey days that you will have.
you will always feel like youre having a grey day.
things will always get worse.

Explanation:

On "grey days" (difficult or gloomy times), the positive and motivational reminder is that better days are ahead. The other options are negative or untrue: expecting more grey days, always feeling grey, or things worsening are not helpful or accurate perspectives.

Answer:

A. Better days are coming your way.