There are so many things, among them is the adrenaline that having AA in bb gives you to see that they open a short in utg that they pay for there one or two deep and that we are deep we go there, the utg pays because it is short and a deep equals and it Worse you are in a prize bubble in a tournament, it is impossible to drop AA but there are possibilities that you will be eliminated or otherwise you triple and get closer to the final table those are moments of pure adrenaline, excitement, suspense, everything found. it's the most fascinating thing about playing poker tournaments