Answer:
You must be made of Copper and Tellerium, because you're CuTe!
...Ohhh, or
Do you believe in love at first sight, or should I walk by again?
I just keep adding!
...It's a good thing i have my library card, because i'm totally checking you out!
...If I were a cat, I'd spend all nine of my lives with you!
Step-by-step explanation:
For all the chemistry geeks! XD
...and, I just found the 2nd one!