My fantasy is that I am 10-11 years old and that a beautiful young woman in a skirt and pantyhose measures my temperature by putting the thermometer in my groin, between my legs, as it was measured as kids. In my imagination, the woman first touches my forehead and tells me "you're hot, for me you have a fever, now I'll measure it", then she takes a glass thermometer, opens the box, shakes it to lower it, then orders me: "now lower your pants and your underpants up to the middle of your thighs ". I obey and she tells me to open one leg a little, I open it and gently put the cold thermometer in the crease of my groin, then she orders me: "now cross the leg over the other" I do it and she says: "now you have to stay still and good for a few minutes and you must never touch the thermometer, I can only touch it when it is time to take it off", while the thermometer records "and, while the minutes pass, she, to make me feel comfortable , gently strokes my leg. After some time I tell her that I would like to take it off and go to play, but she, always gently, tells me that I cannot, I must have patience for a few more minutes and that I must not move or touch the thermometer, otherwise she will have to remove it, lower it , and put it back on, starting to count the minutes from the beginning.
So I stay still until she tells me it's time to remove the thermometer: "open your leg, so I take off the thermometer". Then she reads the thermometer carefully, strokes me on the head and says: "now you can pull up your pants and pants, the temperature is a bit higher than normal, but you can go to the yard to play. But in two hours you will have to come back. here in the house because I'll have to put the thermometer between your legs again to double-check the temperature. "