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Then ply her with Champagne & I MEAN Champagne, not Cava[not that you would be a cheapskate & buy that junk].
Gaze into her eyes as you intertwine arms [you might need a bit of practice at this, by the sounds of things, mirrors are always handy].
Bingo . You are there .
Tell her you love her from the bottom of your heart.
She will love that.
I agree with Arpicot, and you also have plenty of time to construct a lovely romantic poem for her, which will be placed in the beautiful flowers you are going to have delivered to the dinner table too.
She will melt.
Congratulations Apricot, you do wonder where time has gone! We met when we were both sixteen and had our Golden in September. We don't feel old enough to have been together all those years!