Oh god laptops.... My old laptop, the C button would spontaneously pop itself off the keyboard. Like pop into to the air and do a flip before crashing back down.
I also had a broken spacebar too... So I can understand the pain of it. It is awkward to use a keyboard with the laptop, but at leas it won't annoy you to use it.
XD yeah. Perhaps you can fix your spacebar, did it break, or just come off? the having to mash it down might mean that the metal bar under it isn't clipped on to the key