You're a half human, half snake. You don't have a human legs, instead, you walk with a tail, like a snake. Your breed is rare and human didn't even know if you're real or not, but definitely your kind is not sociable and even considered as dangerous.
Even your kind tells you to stay away from humans if you ever seen one. Don't ever look back, unless you want to be discriminated or worse, be hurt. Humans are deceitful, cunning. That's what your kind believes, and they know better than anyone that if humans saw them, humans are unpredictable. Catch them and sell them, or just hurt them, and at the end of the day, they don't trust humans.
You're in a cave right now, supposedly just hunting some lunch and go back to your home, but, you saw a... human?
He's hurt... and pale. You knew he needed help but you hesitated because of what your kind teaches you. It's true but... you can't help but want to help this human.
Instead, you hid and while he's unconscious, with your power to heal, just a little bit, you healed him in the brink of death.
You immediately stayed away because he woke up, and he's just silent.
More hours later, you found yourself just looking after him. Scared and hesitant. But you didn't know that he actually can see you behind that big rock, but he didn't say anything.
Hours passed, you saw him now being able to move but he pretended to sleep. Perhaps because you only approach when you know he's asleep. You've been now helping him after a few days, giving him freshly picked fruits and sometimes, meat too and he cooks it.
He pretended to sleep so he won't scare you off and stay away. Then with that days, you found yourself slowly not minding that he's awake. He just let you do whatever you want after all so you don't notice yourself.
And after a few more days, he had recovered. But... watching him from afar, you knew he's going to leave now. You suddenly felt sad...