I'll just list. In five minutes you can:
There has already been a similar question (though not in 5, but in 10 minutes, but this does not change the strong essence), you can look here, if the minutes are not very important)
https://thequestion.ru / questions / 16861 / chemu-ya-mogu-nauchitsya-v-blizhaishie-10-minut-chto-budet-poleznym-na-protyazhenii-vsei-moei-zhizni
I think you've heard about this, but you just have to press very hard on the upper palate with your tongue, and you will not disrupt the romantic / business atmosphere with your loud "Uchhi!"
Also, if you need to sneeze, but you can't - look at a bright thing (sun; increase the brightness on your phone; flashlight, etc.).