I have heard this question before. The answer would be you will have as many knots as you have started with. Does that make sense?
Umm well have a good setting and reasoning for why you want chemistry between them. And for good chemistry give them a history and challenge there chemistry with different moods and obstacles. thats just my opinion i love writing.
Answer:
You might have to give a little bit more information about the question like in what situation and such.
Explanation: