Draw a symbol sacred to Ishtar between the two of you. Symbols.com is a good source. Have 7 items representing your love beside you, a witch bottle to trap your love and protect it forever.... unless of course the bottle breaks, but its a good way to end it I suppose. Anyway, sprinkle sugar on the sign and say together:
Son of love, who conquers emotion
We send this prayer with our devotion
Make us weak to mould our strength
Grant our love ultimate wealth
Hold hands and gaze into each others eyes, you should feel the energy rising and getting