Kaiwalya means peace. As their name says, they are really calm and patient. They love everyone and are always ready to help. If they love someone, then they love that one person with all their heart. There's not a single person they'd talk bad about. They are really good looking and attractive.
While our lifespan is the number of years we will live, our healthspan is the number of healthy years we will have and our sexspan is is the number of years we will continue to be healthy enough to continue having an active sex life.
A lighthearted reaction upon receiving disappointing news of some sort. Usually something that isn't a particularly a big deal, esp. when it primarily affects someone else - sort of a mild schadenfreude. Sometimes doubled or tripled, and possibly said in a sing-songy voice for added comedic effect to imitate a muted trumpet, which is how the meme originated.