Waif: You completely missed something. It's plain as day in the books that they are not only in love/have a relationship, but are passionately in love. I mean hell, the entire berzerking scene with Loras when he discovers Renly slain is to drive that sole point home. Again, the textual evidence is plain as day as to their commitment to each other.
And what the hell do you mean them not being gay isn't important, but them being lovers is? If they were lovers, then they would have to be Bi, Gay, or in some sort of denial.
@Ein: I'm just going to agree that one cannot just walk out and say "Sire, Loras is a gay!" in the text specifically because that word did not exist at all until the 60's. And hell, the entire point of MArtin's POV style is to make as much use of inference as it can - it's through inference we question whether or not Davos is dead, and it's through inference we learn a lot of the political scandals happening throughout King's Landing. To actually have a scene demonstrating them being physically gay would require either: A. Loras or Renly as a POV chapter, or B. someone walking in on them jousting into each others asses.
He only admitted they were lovers so all the mouth-breathing fanboys would stop bitching about a dude sucking another guys cock on television because they didn't catch a major expositional point on their first read through the books. I caught nearly every hint on my first read, but many MANY other people didn't. And there has been a HUGE whine-a-thon on many message boards about their blatant homosexuality as compared to it being blatantly inferred through the text. I'll agree with another poster who had an opinion on it: the way it was depicted in the show is perfect because not only did it make these characters immediately memorable, but it sets up the stage for the introduction of Stannis, the introduction of the entire Tyrell family as political opponents that are near in strength to the Lannisters (which is really going to fuck with peoples heads when they band together later on), the rules of succession and the power grab that will occur if Robert dies. Plus, their entire relationship also plays heavily into Brienne's character growth and eventual expulsion.
The one counterpoint to the shows depiction that I will acquiesce to is that they could have shot it a different way. There was no need to see two dudes manscaping each other and then 30 seconds of cocksucking sounds. Do I really care though? Nah, hell I would have laughed if they made a prosthetic dick for Loras to suck and showed it for a full five minutes. I do wish they didn't make Renly so... squeamish. He was supposed to be somewhat like Robert, not only in appearance but in vigor. He's clearly shown he has the iron to do things that need to be done (flat out killing Dany to save thousands), but they took away some of his warrior skill which does suck a little (hell, he took part in the tourney and lost to the hound). Unless they continue showing parts of the tourney next episode, they missed a prime chance to show that Renly actually can fight, and that he just has a massively different temperament when compared to his older brother.