同性愛

同 = 冂 + 𠮛 : Tommy Turtle (tu) is stapling (冂) a magical scroll (𠮛) to the wall of the engine's kitchen ((e)ng2). On it he wrote that he's looking for two twins (mnemonic symbol for 同).

性 = 忄 + 生 : Marie Curie had a strong character since she was little. Even in her cradle in the engine's bathroom she was only playing with a flail.

爱 = 受 + 𠂇 : Mnemonic symbol: A pair of swans who are in love.

爱 = 受 + 𠂇 : Albert Einstein hurt himself with a pair of scissors in the airplane's bathroom. He's already laying on a stretcher carried by two swans who are deeply in love with each other, being transported to the next hospital. A hospital... of love.