SHUT UP and take my money!
You hopped through the wrong portal, friend. Suddenly, you're the size of a Companion Cube! The good news? You're shorter than the turrets! No more worries about being riddled with (whole) bullets. The bad news? You'll have to get even more creative with your Handheld Portal Device because you can't jump quite as far with your tiny legs. At least your Handheld Portal Device sized itself down with you!