After listening to him for a bit, Lavender suggested, "Maybe you need to take some time to yourself. Are you still seeing either of them? It might be a good idea to have some time to yourself so you can consider everything you need to consider. And I don't think it's bad to be selfish, Colin. This decision your making is about what is best for you, even if you consider the feelings of the other people involved, you're still the main person you need to think about."
She paused for another second and then said, "I don't suppose it's as easy as me saying Zach or Justin, and you saying the first name which pops into your mind. Not even necessarily as a decision maker, but at least something to consider."