the love triangle of FFVII has always been the most debated issue in the whole FF universe. the isnt an exact answer to it. but if we look at most of square-enix game, we could see that there are alot of referrance regarding cloud n aerith. games such as FF tactics, Parasite Eve II, the Kingdom Hearts series n FFIX made referrance or probably paying homage to these 2 characters. maybe square-enix is trying to point out something we may never be sure.

however fantasy_gamer, in response to ur statement that aerith doesnt love cloud, it is proven in the novella 'The Maiden who Travels the Planet' (which translation can be found here) in FFVII Ultimania Guide that aerith does in fact have feelings over cloud.

although throughout the game we could see that tifa has shown her obvious feelings towards cloud but cloud's reaction suggest otherwise. regarding the scene in FFVII:AC where tifa is shown wif a ring, well if u watched closely, barret also wears the same ring when he reaches out his hand to catapult cloud to do battle wif bahamut shin. again, it could be anything. also nomura has said once b4, the love triangle in FFVII is open to interpretation. it could be tifa n it could be aerith. there wont be an exact answer to it.
muhd_syazni

I guess you can say both Aeris and Tifa love Cloud. However, who Cloud loves is not known. I think I read somewhere that Square did it on purpose because they wanted the fans to decide who Cloud truly loves. However, either way, because Aeris died, it will most likely be Cloud and Tifa in the end since they are a family after they adopted Denzel. There is no real answer to who Cloud's true love is and I doubt there ever will be.

Mixing characters can sometimes be cool. Sometimes it is a good idea and sometimes it isn't. It depends on the game I guess.