Hang in there. feel it acknowledge it and let the sadness go. It will come and go.
I have been there. I have a S7 and S4 as well. They have no idea really what its going to be like and I dont even know how it will be. There is no point thinking about it too much. focus on today if you can.
Me late 30's W mid 30's T 15, M 10 S4, S7 ILYBNILWY June 2015 In house S July 2015 W rings off Oct 2015 My ring off Feb 2015 Separate houses June 2016