I ask...  Is it Ethical?  "Normal" is so...  Vague.

I grasp that these questions are not about Ethics, per se, but maybe a better question would be, "Is it healthy?"

The first one, I would say, it is a poor choice to feel lonely.  We choose how We feel...
 
Choosing to Depress  (article):  @amaterasusolar/choosing-to-depress