I apparently can't read... all the words anyhow...
Traditional 4th Anniversary Gift: Flowers
Modern 4th Anniversary Gift: Linen/Silk
Send her flowers at work...
or
Then send her a pretty piece of lingerie with instructions to meet you somewhere with just the lingerie -- and then go to a nice hotel for the weekend - -Nice anniversary dinner in the hotel room... and you can enjoy some time alone... then head to the airport for Mexico...