Hawaiian Vacation To-Do List:1. Bikini up! You're in Oahu, and it's time for fruit drinks with umbrellas in them!2. Being obsessively organized doesn't work during a Hawaiian vacation. Relax. Seriously.3. Scan the resort for hot dudes. Huh. That hot jogger who ran by looks a lot like your ex, Jeremy—only fitter, harder and sexier.4. Moonlit walks mean bumping into Hot Jogger Guy. Who is your ex.5. Don't panic. Instead, think with your libido! Also debate the merits of ex sex.6. Ignore the consequences. Go for it.7. Revel in the afterglow. Go for rounds two and three.8. Ooh, kayaking!9. Round four. Oops!10. Definitely do not think about why you broke up in the first place. Or that you're having wicked-hot nookie with the man you were here to forget…