"The cancer inside, stealing my sleep.
Night after night, it keeps haunting me." 

Contrasting Canon and RTN Itachi

_{• In canon, Itachi is a pacifist and prevents any kind of fight as long as he can. || In RTN, he doesn’t mind fighting at all, and is always up to the challenge to the point of maybe provoking a battle or intimidating the opponent into doing so (As it was seen in the movie when he activated his Sharingan against Obito/Tobi).}

_{• His Sharingan is always active or at least, most of the time. Has used the Mangekyo several times as well, leading to blindness.  || He only activates it when necessary, and hasn’t used his Mangekyo much at all so he’s not blind yet.}

_{• He has an incurable condition that leads to his eventual death, also affecting his stamina. || He’s healthy, and has more stamina.}

_{• Itachi is quiet, reserved and keeps everything to himself. || He’s more expressive.}

_{• Has no interest in romance or sexual situations. Completely immune to flirts or other forms of seduction. || Itachi is a smooth talker, flirtatious and seductive though in a very disguised way, unlike his brother Sasuke.}

_{• He’s selfless when it comes to the village and those he cares for. || Is more selfish and somewhat possessive with those he cares for.} 

_{• Is a member of the Akatsuki. || Is the leader.}

Moods

_{Although Itachi has always been a stoic man, with an indifferent attitude, there are certain things that always manage to get him in a mood. First, he easily gets annoyed when he’s hungry, causing him to use sarcasm as a way of snapping back at whoever bothers him. Or he simply uses one of those witty comebacks. Also, the Uchiha gets bothered easily by hypocrisy, and by those who see themselves as superiors to others. When it comes to good moods, you’ll know instantly when he’s relaxed and comfortable when he begins doing jokes, even if his expression doesn’t appear to be a joking one. The man also smiles more and on very rare occasions, he would even hum softly to himself while doing something such as reading, writing or cooking.}

New Itachi Uchiha icon. The image is not mine, I just did the edit.

rintherealsugarbaby:

Source

Naruto Chapter 590 - I Will Love You Forever Uchiha Itachi: No matter what happens to you from here on out. I will always love you.