...Mai and Suki immediately became jealous of Katara. She got a tree, and they only got bushes? Unfair!
Hey, he is the Avatar. So, let's just say he's spent his entire life moving a giganti rock.
Katara's hand grasped Aang's shaft and began moving up and down. Aang hissed at the sudden contact. Katara smiled and began licking the tip tenderly, kissing it every once in a while. Slowly, the kissing turned to sucking, until Katara was moving her lips up and down the rock hard penis. How she managed to fit that gigantic thing in her mouth, I'll never know, but nevertheless, she managed to take the entire thing into her mouth, drawing upon it with full force.
The sensations Aang was feeling were incredible. The inside of Katara's mouth cradled his shaft so perfectly, and the movements of her tongue were practically killing him. He could even swear he could feel the back of her throat. At this rate, it wouldn't be long before he-
Speak of the devil, Aang set forth a mighty blast of "water-bending". Katara, being the humble and obedient wife that she was, (Not to mention the master "Water-Bender") was careful not to spill a drop, swallowing the load for her sick husband.
"Now that's devotion…" Suki commented.
A wave of pleasure fell over Aang. The air suddenly began to feel very cool. Katara lifted her hand up to his forehead. She proceeded to announce, "Well, his fever's going down. It looks like Iroh wasn't just lying so he could spy on us."