public void hurt (final Body b) {
		life--;
		runnableManager.add(new Runnable() {
			public void run () {
				if (b != null) {
					if (b.getUserData() != null) {
						System.out.println("hej");
						Objects.world.destroyBody(b);
						b.setUserData(null);
					}
				}
			}
		});
	}