Rules of attraction

Insert
E•L•E•A•N•O•R M•A•R•T•I•N•E•Z

(N|O|U|N) Stubborn, Sarcastic, Smart, Was always one to follow the rules

Insert
C•O•L•E G•R•E•Y

(N|O|U|N) Singer, Reckless, bad, Was never one to follow the rules

Insert
200 ml of random kisses
250 ml of frustration
500 ml of arguments
1000 ml of jealousy
And mix

The author looks at the recipe and wonders "Wow, there are only two possible outcomes: forever, or not"