4 of Swords, or 'Truce', represents relaxation, healing, and meditation; reversed, it means exhaustion or stagnation. I have Thunderlane for this one because he's tired and he deserves this bubble bath. He is his brother's sole guardian and he has to keep up with the weather patrol and the Wonderbolts while still maintaining his home life. It's exhausting.

The bubble bath clearly represents recuperation and rest. The sword lying beneath him is a single point of focus, while the other three are the various other things that are demanded of him. Right now, though, they can be set aside. Above Thunderlane's head is the reason he's doing all this -- his loved ones.