Which two quotes BEST show the contrast in maturity between Helmuth and his brothers? "I'm going to float away, right this minute." (Helmuth) "Don't be ridiculous. You're not going to float away." (Gerhard) "I'm going to float away, right this minute." (Helmuth) "Don't be ridiculous. You're not going to float away." (Gerhard) , "Are the grenade launchers on their way?" (Gerhard) Helmuth nods vigorously. "Are the grenade launchers on their way?" (Gerhard) Helmuth nods vigorously. , "It makes me dizzy just thinking about it." (Helmuth) "Then stop." (Gerhard) "It makes me dizzy just thinking about it." (Helmuth) "Then stop." (Gerhard) , "Helmuth is three." "Hans is eight." "Gerhard, who is seven."