You decide to go back to the cabin, get settled in with your pet snake Al. Walking in through the front door you see Al in his terrarium, he pokes his head up at you before setting it back down.
You shrug and head over into the next room of the cabin, the bed room. Laying in bed you decide to go to sleep for the night, you would explore the woods in the morning.
That night Al was in his terrarium, he poked his head up again, using his tail to push up the roof of the terrarium to slither out into your room. Al slithers onto your bed, seeing your open he opens his above yours, a drop of venom falling into your mouth and being absorbed. Satisfied with his work Al slithers back to his terrarium and goes back in, waiting for his special venom to take effect.