I don't have to provide evidence. It's common sense. Scalding hot food down the gullet of a snake can do irreparable damage to and quite possibly kill it if hot enough. Just as common sense also denotes that leaving a live animal with a snake unsupervised could spell trouble. There are pros and cons to everything in life. This is really no different and honestly, it's a choice. If everyone agreed upon the best methods for their lifestyle, there wouldn't be choices.
Put the live rat/mouse back in a holder tank with some food and water until the next feeding attempt. About as simple as throwing away a thawed rat/mouse if uneaten and thawing a new one at the next feeding attempt.
Yes, it would be common sense that a boiling food item in a snake would harm it. What I am interested in is if a snake would actually swallow it, hence the evidence.
May I also point out that when asked for evidence you immediately drop the claim about the frozen food.
I switch from F/T P/K all the time, and have never had a problem, except for the first time i tried with the one that has always been on live. I killed one to try it out, It took about 20-30 minutes before she struck at it, but she did take it. Now, I switch back and forth randomly just to keep it fresh with them. I did have to kinda get her mad enough to strike. now all of mine will take either, some take a little longer strike then others, but they will all do it.