I don't get mad easily but i hate this guy!

[Glyndiana J]

PokerStars Game #11122407651: Omaha Pot Limit ($0.05/$0.10) - 2007/07/25 - 01:59:11 (ET)
Table 'Bellona IV' 6-max Seat #2 is the button
Seat 1: Glyndiana_J ($20.85 in chips)
Seat 2: bbarnes9 ($12.65 in chips)
Seat 4: Smasharoo ($24.05 in chips)
kmaihb will be allowed to play after the button
Smasharoo: posts small blind $0.05
Glyndiana_J: posts big blind $0.10
*** HOLE CARDS ***
Dealt to Glyndiana_J [Ah Kc 2d As]
bbarnes9: raises $0.20 to $0.30
24rambo24 has returned
Smasharoo: folds
Glyndiana_J: raises $0.65 to $0.95
bbarnes9: calls $0.65
*** FLOP *** [7d Ac 5h]
Glyndiana_J: bets $1.90
bbarnes9: calls $1.90
*** TURN *** [7d Ac 5h] [8d]
Glyndiana_J: bets $5.50
bbarnes9: calls $5.50
*** RIVER *** [7d Ac 5h 8d] [9h]
Glyndiana_J: bets $12.50 and is all-in
bbarnes9: calls $4.30 and is all-in
*** SHOW DOWN ***
Glyndiana_J: shows [Ah Kc 2d As] (three of a kind, Aces)
bbarnes9: shows [8s Td Jd Kd] (a straight, Seven to Jack)
bbarnes9 collected $24.35 from pot
*** SUMMARY ***
Total pot $25.35 | Rake $1
Board [7d Ac 5h 8d 9h]
Seat 1: Glyndiana_J (big blind) showed [Ah Kc 2d As] and lost with three of a kind, Aces
Seat 2: bbarnes9 (button) showed [8s Td Jd Kd] and won ($24.35) with a straight, Seven to Jack
Seat 4: Smasharoo (small blind) folded before Flop

just cause i was playing so good this guy couldn't let me take down a small pot? why did this pot happen?