<human>: Goal: How can I stop a mosquito bite from itching?

Which of the following methods is more reasonable for accomplishing this goal?

OPTIONS:
- Heat up a coin under a candle or lighter for a moment, then place the coin under your tongue.  This will kill the proteins that cause the itch.
- Heat up a coin under a candle or lighter for a moment, then place the coin on the bite.  This will kill the proteins that cause the itch.
<bot>: Heat up a coin under a candle or lighter for a moment, then place the coin on the bite.  This will kill the proteins that cause the itch.