Your pulse quickens, your mouth dries up. You start hearing your own heartbeat pulsing through your head like ocean waves pushing you under. Every moment that passes makes you even more aware of your vulnerability, your mortality... She's coming for you.
You're innocently minding your business in your hotel room, perhaps you take a hot shower, make a cup of tea. Never thinking for a moment that a hot girl could break in and have her way with you...