Flipperjo your words tug at the heart strings and are such beautiful writings. Grief causes us to become eloquent doesn't it?
Take comfort in knowing your father is now holding Melissa in his arms and comforting her because I'm sure she misses you too. Life does go on and you will one day have complete emotional strength returned. It's okay and necessary to grieve, these are beloved people who you treasure.
Keep writing and reaching out to others who are grieving because you know they need you.