This is the first requirement and most important.
The proof of relationship is more longwinded than just emails or chat transcripts.
That can cover, plane ticket stubs, or boarding passes, photos together at different times, hotel receipts. And not just for one trip over.
But you will have to be patient and after the kids have gone to bed, use the search function, because this subject has been covered extensively in the past...
And after Livepool getting a drubbing yesterday in the FA cup,Mr Admin ain't going to be too pleased to see the same questions posted time and time again....
http://www.vfs-uk-ph.com/
Start with looking at this website. and also...
http://www.british-filipino.com/
You will find most of your answers there, if not all of them....
Good luck and welcome aboard.