Have you thought about therapy? My best friend lost her husband in a tragic accident about 17 years ago. She has since remarried but still talks about her deceased husband. She says it's something you never get over, never forget, but you learn to move on and make a life for yourself.
You drank too much, happens to most of us. Call him, be honest. Heck, that's all you can be. You're in uncharted waters and you are going to have good days, bad days, and there will be constant reminders of your husband. First and foremost, you are going to need somebody secure in themselves and somebody who can understand your pain.
Good luck to you.