Mathematical!
Cartoon Network / Thinkstock
Cartoon Network / Thinkstock
Cartoon Network / Thinkstock
Cartoon Network / Thinkstock
Cartoon Network / Thinkstock
Cartoon Network / Thinkstock
Cartoon Network / Thinkstock
Cartoon Network / Thinkstock
Cartoon Network / Thinkstock
Cartoon Network / Thinkstock
Cartoon Network / Thinkstock
Cartoon Network / Thinkstock
Thinkstock / Cartoon Network
Cartoon Network / Thinkstock
Read more: http://www.buzzfeed.com/ninamohan/adventure-time-valentines-to-give-your-sweetheart