Serenity
se•ren•i•ty /se'renedē/ noun the state of being calm, peaceful, and untroubled
Mature
"You trust me?" he asked, eyes turning soft once they made contact. "Maj, I-I-" "I said do you trust me, Lucky?" he repeated, voice hard. "...yes," she breathed out, and his next words came without hesitation, sending a chill down her spine. "Then shoot."