I think your scale is malfunctioning. The snake in that pic looks way more than 65g. Maybe 65oz but not grams. Most babies weigh more than that coming out of the egg. So I don't think the weight was the problem given you say she was eating fine. I can see how the striking would be intimidating though. Justin K has a good video on his YT channel on how to deal with nippy balls. I am at work so maybe someone else can look it up for you. Even if you are already final on parting with her, still give it a watch in case you have another nippy one in the future.