Chemistry is very subjective. We have already had that discussion, but once again: there is only friendly chemistry between them. In my opinion. I know that you Smacked-shippers see some romantic chemstry, but I cannot simply see it. I still meant what I wrote about keep the platonic relationship and letting Mac and Stella remain friends. It's not only because we non-smackies want it. I mean, would it really be that bad if they just stay friends? I can't see any harm, and you smackies can always continue hoping and praying something will happen. It might not be fun, but it's completely harmless. It is not what you want, but it can't be that awful as you gotta accept that you cannot always get what you want. For us non-smackies who don't see the romantic chemistry and how it could last for another 5 seasons, it would be terrible to see something develop that way. I swear, I would definitely stop watching the show. As I just can't even stand the idea of Mac and Stella together, and it would be even worse if there would be something romantic for a long time. So the best way to keep everyone satisfied is to keep Mac and Stella as friends. I understand if Smackies want a relationship with Mac and Stella, but many smackies seem to be happy with friendship too. Even if they would prefer a relationship, they absolutely don't mind only friendship. Notice, this is what I have seen while reading some Smacked-posts. I may be wrong.