If you are sad you have to understand why. Since sadness is not an enemy that you have to push away, it is an important ally, i.e. the way of telling you that something is wrong with you.
Change is not simple, although life is change. If you are a student, a volunteer, a person who is facing an important change and you are not feeling so well, try following this blog, maybe it could be useful.
Coronavirus is a pain the ass. If you are facing a change in your life, if you are trying to overcome a bad situation in your life, it puts everything on stand-by and this could be very frustrating.