Losing your temper can be therapeutic. There's nothing sexier than high heels on a mech. You can never have too many subplots. If she sings, she's doomed. You always remember the sad endings.
Double suicide is romantic.
Outrageous vehicles only make the hero cooler. Nothing delays romance like unruly neighbors. Fancy ice cream is for girls only. The most virtuous character will die. Hot water has innumerable benefits.