Mom's reaction: Not much. Waved fly away into window. Fly flew back. Wave. Flies back. Calls Dad to get it.
Stealth Meter: 1.
Dad: Develops determined look. Primal hunting instincts are unearthed. Grabs newspaper. Wears invisible cape. Fly has no way out, gives in and is murdered. Dad develops cackle and pronounces himself (with funny accent) "Bug Kill-ler!".
Stealth Meter:9
Grandpa: Speaks to fly in Chinese. Fly is intrigued, Grandpa goes all Jackie Chan on the fly. Fly is humiliated. Dies.
Stealth Meter:10
Grandma: Doesn't notice fly.
Stealth Meter: Uhm.
Me: Pronounces self stealthiest of all. Develops Russian mafia accent. ( Vokay, you fly vinto vindow, no vone hurt. Mafia no kill. Mafia pay big money.) Locks fly in window. Fly doesn't die, no vone hurt. Mafia pay big money.