Lotor, a sad galran hybrid pilot/swordsman with severe trust issues whose parents are actively trying to kill him and whose friends betrayed him:  “I’m never letting anyone get that close to me again.”

Keith, a sad galran hybrid pilot/swordsman with severe abandonment issues due to being orphaned whose friends gave up on helping him fit in:  “Hey. Thanks for saving my life.”

Lotor:  “… We should get married.”