Help me plz is this wrong to do ( it may sound ew to you )?

Ok im 14 and i just cameout to myself as bi a year ago a few days ago i sniffed my dirty underwear and last night when my older bro ( whos gay) went away to this camp he work at i start to sniff the under wear he just had on and i got horny real fast . Sorry if you cant read it i have learning desabilty