Loud and clear! I have been where you are and still have days that I feel like you.
I lost my only child on November 8, 2003. Jessica was 14 at the time and the love of my life. We were best friends as well as Mom and daughter. I can't begin to fathom the loss you have experienced, because each one is unique to the individual. I am SO sorry for the loss of your son. I know you can feel that your daughter's have moved, so many of my family members seem to have done the same. But you have to remember that each of us deal's with grief in our way. And the loss of a child cannot compare to the loss of a sibling. We pay too high a price and suffer so much more pain that it just cannot compare. So, yes while they have lossed a brother and it is difficult, but you have lost a child. The pain will be with you for as long as you are on this earth. Sure, there are days where we get along and we can smile and even laugh at times, but there will always be this emptiness in our heart.
All I want to do is hold my daughter, talk to her, smell her, hear her laughter and never let her go too.... that is normal. It is our paternal instincts, wanting to protect our child. But they are in a place where they are no longer in pain. They don't harbor regret or have anger towards what has happened to them. Some things we just cannot fathom until we are there ourselves. I know one day I will see Jessica again and I will be able to hold her and laugh with her.
Life does go on, no matter how loud we scream for time to just stop. There were days I just wanted to stay in bed because I was so angry that people did not know what I was going through~ and I am referring to bill collectors, telemarketers and so on~ some days it just seemed so overwhelming that I just could not bare to even get out of bed. And that's ok, as long as we don't remain there. Your son wants you to be happy. I know that is hard to fathom, but remember he is in a place that all there is happiness. This, I think, is the hardest part of grief, we that are left here on earth to suffer the loss.
Your purpose in life was to be a Mom to your son and daughters and you are still your son's Mother! Talk about him, share him with anyone. Don't ever forget! Share the fun you had with him, the funny things he did. And I would see about getting more quality time with your Granddaughter, if that is feasable. She needs you just as much as you need her. Someone has to tell her stories of her Dad so she never forgets!
I had the hardest time trying to find purpose with my life after my Jessica died that I was lost. So, I started helping other parents who have lost their children. I started up the Memorial Garden we now have the high school where my daughter went to school, because the year she passed that school had lost 5 students. It took 2 years to complete, but it was well worth the work and it was awesome therapy for me. Maybe you could incorporate a garden in your own yard to have in rememberance of your son. Did he have a favorite flower? A favorite color? Did he collect anything? All of these things you could incorporate into that garden. Just a few suggestions, but make it your own. (If this is possible)
Keep posting and we are here to listen when you need us!
HUGS~Debra