Know any good love quotes/sayings ? Its my gf's 16th b-day. I got a necklace for her that im getting engraved. The front side has the chinese symbol that represents "together"

Im tryin to think of something to have engraved on the back. See, im getting 2 necklaces ( well, a dogtag for me ) so that both of us have 1.

i wanted to get 2 necklaces that each have half of a saying, so that together, the 2 necklaces complete each other... u know, like the classic 2 halves of a heart deal...

the question is, i need something to engrave on both of our necklaces that is only complete when read together.. i was thinkin somethin like

mine say " together" and hers says "forever" or somethin like that

( we've been dating for about 2 months, were not in "love" yet, but have a pretty serious relationship going)