am i the only one who does this?

when im about to fart i put my hand in my pants (behind obviously..) and use my hand to seperate the cheeks, and then it comes out like air. sometimes i sniff itafterwards to see if my hand smells like fart but not alwats.

no ones in the room but i have people whos rooms are very close to mine and i dont want themto hear me fart...