Okay, here are 45 biology-themed Valentine’s Day puns, designed to be scientifically romantic:
1. I aorta love you!
2. You make my heart skip a beat. Literally, an arrhythmia.
3. I think I’m going into cardiac arrest, you’re so stunning!
4. You’re the only one I want to grow old and fossilize with.
5. Are you a ribosome? Because you make proteins that I can’t live without.
6. Let’s get together and exchange nucleic acids.
7. I lichen you very much.
8. You’re my missing link.
9. I can’t imagine my life without you, it would be amoebic dysentery.
10. You’re the apple of my eye, and I think you’re a sweetie pie!
11. Are you made of Copper and Tellurium? Because you are CuTe!
12. I am attracted to you because of our opposable thumbs
13. I love you from my head to-ma-toes.
14. My love for you is like the universe, it keeps expanding.
15. DNA be with you.
16. You’re the xylem to my pholem.
17. I’m so glad we cytoplasm together.
18. I’m eukaryote-ing a big crush on you.
19. I can’t help it; I’m just attracted to you like opposite charges.
20. You make my dopamine levels go crazy.
21. You give me prophase to look at.
22. I’m not kitten, you’re purr-fect.
23. Our love is like mitosis, it just keeps multiplying.
24. I’m not kitten, you are paw-some.
25. You’re one in a chameleon.
26. I sea you and raise you all my love.
27. You float my boat, and swim my moat.
28. Whale, you’re the one for me.
29. I think you’re dandy-lion.
30. Our love is like a warm petri dish.
31. I’m feeling blue without you.
32. Let’s get down to our cell-ves.
33. I can’t wait to get my palms on your seeds.
34. I’m attracted to you on a fundamental level.
35. I think you’re DNA-mite!
36. You make my enzymes catalyze.
37. Are you a botanist? Because you’re making my plants grow.
38. I’m fungi for you.
39. You’re the best reason for my existence!
40. With you, I’m always in homeostasis.
41. My heart blooms for you!
42. You’re the reason I do lab tests.
43. You complete my phylogenetic tree.
44. Let’s Mendelianherit our love.
45. I can’t help it if I’m infatuated by our chemistry.