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.
(..) - All right. Let's look alive, Dean. - Yes, sir. Damn. They're riding on the axle. What'd they do? They bust the springs? Ho... Dead man! Dead man walking! - Who...? - We got a dead man walking here! (..)1999 The Green Mile