Chemistry Puns help?

could someone help me with these chemistry puns? these are the only ones I don't understand. 1. I looked and looked but I can _____. 2. what a boy asked a girl about her old boyfriend. 3. how much does that motorcycle _____? 4. you love him so much, ____. 5. _______ late. 6. she is so sweet, she is as good as ____. 7. what you get after a long diet. 8. a blind cow was healed miraculously and now ______.