Help, I Am So Sad. Options

[BabyHenry]

My baby and very best friend Henry died suddenly 3 days ago right in front of me with no warning (he was not sick, that I knew of). He was a beautiful orange kitty that we rescued when he was probably about 6 months old, ten years ago.
He has been with me ever since, through some very hard and some very happy times in my life. He was a special cat and fantastic friend, always ready to sit with me and "talk".
I loved him so much and am literally in physical pain from losing him. He died in my arms in my bed at 9:30 at night and my husband almost had to pry his body from my arms - I could not let go,
and part of me still wishes I could hold him one more time. I loved him so much.

I simply do not know what to do my grief is so powerful. I feel like I am going crazy and I can't stop weeping.
At work, I try and act normal but just sit at my desk with tears running down my face.

[BabyHenry]

ACK! The weekend . . . another Sunday! Why is this so hard? It's been 19 days, and I feel like I am having some kind of relapse - I was kind of feeling better (less "punched in the stomach"), but now I am crying a lot again. Lot's of stuff reminds me of my little H.