Before reading the rest of this accept that you might not like the answer and keep in mind this is just one persons answer and it is almost always (in my opinion) better to get multiple opinions.

Now to "answer" your question there is no surefire thing that can signify your love for someone because it all depends on the person.

Love between the new husband and wife.

Iodine, Livermorium, Uranium

I Lv U

Purple flowers tend o signify power or royalty. so if you get them i suppose that means that the person giving them to you thinks you arepowerful and very wealthy and rich in love.

There are many symbols that signify love across the world. Two of the most popular are the heart and the single red rose.