when we submitted, we did as we were instructed. Although we included about two pages of facebook posts of our wedding. but am just gathering more information, just in case they request for "additional documents". These guys can be unpredictable.
put as many photographs...as possible..and make sure the wedding photos has a lot of people in the background...
include photos of two of you together with extended family,,parents..siblings ....not just wedding..even random pictures taken with family,,,
whatapps chats,fb, ...for example i included the church Facebook post on my spouse and I,,,phone logs,,,,
i purposely call from my direct line just to build up call logs .....money transfer ..etc