Hi ((Smiles)) and congratulations! Your son accomplished a monumental task by finishing school under such adverse conditions. I too finished college after my sister died (barely, I didn't want to continue), so I understand what a challenge it has been for him.
I don't much believe in 'from above' either...we're the ones dealing with the loss here, but I do believe that those we love who have passed on are in a better place and will always be a part of who we are.
Way to go! Congratulate your son for me! And congratulations to you too.