You should try to prepare them for your decision instead of just 'springing' it 'on' them suddenly.
The rope stretches and 'springs' back into shape. [=returns to its original shape]
New housing developments are 'springing up' all over the state.
(..) serious gourmet shit. JULES: Me and Vincent would've been satisfied... with some freeze-dried Taster's Choice, right? Heh! And he springs this serious gourmet shit on us. What flavor is this? Knock it off, Julie. What? I don't need you to tell me (..)1994 Pulp Fiction