In this setting Faramir is only about 10 years of age, he is pestering his 15 year old brother Boromir into helping him with his fencing.

"Please?"
"No."
"Please?"
"No!"
"Please?"
"NO! How many times do I have to tell you that?"
This has been going on for a few minutes and Boromir is going insane from hearing this day after day.
"... please?"
"If i say yes will you leave me alone?"
Faramir nodded fiercely, he loved his brother very much and loved it when he would help him with his training. His mentor was very boring and at Faramir's age he "shouldn't have to do a lot of sword fighting." his mentor constantly told him. He always hated going to lessons with him, it was more books and less swords.
"Alright fine, grab your sword."
"THANK YOU, THANK YOU, THANK YOU! I will leave alone all next week."
Faramir jetted off like there was no tomorrow, racing to his room he ran into his mentor. (More like slammed into really)
"Well, Hello Faramir."
"Uh... Sorry sir."
"So Faramir, where are you off to in such a hurry?"
"Uhh... to my room to grab my sword, Boromir is going to help me with my fencing a little bit."
"Ah, well have fun."
And with that final word Faramir dashed to his room and grabbed his sword as fast as he could and buckled it to his belt as he ran. He got to the fencing range in a few minutes and there his brother was waiting for him.
"What took you so long? You dashed off so fast i thought you would be here in a couple seconds."
"Oh, i ran into my mentor before i got to my room. Literally."
Boromir laughed very hard at that last statement, Faramir always gets really excited when Boromir offers to do something with him, or Boromir agrees to what he wants to do. Boromir always noticed that his father favored himself more than Faramir and his father would never spend time with him. So he took it upon himself to care for and love Faramir, since his father would not. Since his mother died 5 years ago his father has changed a lot. He wouldn't allow music for a year and he never smiled until just recently when Boromir started to show signs of being like his father. And yet Faramir was still his little brother so he did get annoying once and a while but almost always Faramir would talk him into doing some confounded thing.
"Well... Have at you brother!"
They started fencing and once and a while Boromir would tell Faramir to stop and help him with his stance or his form. They went at it for about an hour and then Boromir finally said
"Enough, you have to much energy little brother."
Faramir still wanted to fence but since his brother said no, he would have to stop for the day. It was almost dark when they returned to the palace. But for a little while before he went to bed, Faramir was standing by and staring at the White Tree of Gondor, until he heard footsteps.
"Faramir, is something wrong?"
His brother asked him.
"Boromir, why does father not like me the way he likes you?
"Faramir, father loves you, he just doesn't show it at times. You are too much like mother, and it grieves him to see how much you are becoming like her. But i must ask why did you ask this question?"
"Father and I had another fight and he started comparing me to you again."
Faramir's eyes were on the brink of tears when he answered the question. He doesn't want his father to grieve for his mother every time he looks at him.
"Faramir do not worry yourself. Father likes to argue, I have seen it with a lot of the men of the court...Farmir even if you don't think that father loves you, know that I always will."
Faramir felt a tear slide down his face as he faced his brother and said
"Thank you."
Boromir pulled him into and embrace and with Boromir's arm over his should they walked back to the palace. That night Faramir slept peacefully because he knew his brother would always watch out for him and love him like his father would not.