Melancholy

I miss Bear so much today. 

'Not sure why today I feel so sad about it. 

I guess I'm just tired and hormonal. 

But I am feeling so lonely for him.

•  mel·an·chol·y Noun   /ˈmelənˌkälē/
  Synonyms:

  • adjective: sad, gloomy, melancholic, mournful, dismal, blue, sombre, somber, doleful, sorrowful,despondent
  • noun: sadness, melancholia, gloom, sorrow, dejection, despondency, depression, grief, gloominess
  • A deep, pensive, and long-lasting sadness
•  mel·an·chol·y Adjective   /ˈmelənˌkälē/
  • Sad, gloomy, or depressed
    • she felt a little melancholy
    • the dog has a melancholy expression
  • Causing or expressing sadness; depressing
    • the study makes melancholy if instructive reading