I spotted an excellent article on Valentines ideas by Roger Heywood on AboutMyArea.co.uk. He shares tips - I've summarised - on Valentines Day:
Prepare now
Pay attention
Don't make assumptions
Be imaginative
Be romantic
Keep it simple
Scrub up
Involve the children
...and
Have a plan B
You can read the full article at http://www.aboutmyarea.co.uk/Tyne-And-Wear/Sunderland/SR2/News/Reviews-a... .