Can someone please explain this?

Hand before this, the same guy reraises 3k pot with Q10H v original raisers AA guy no1 hits flush....

Then this.

Why o why did he reraise on that hand, especially after my hefty raise?

Dealt to danowski2809 [Jh Ac]
bigjim65803: folds
mreinert2008: folds
riv3rstar: calls 400
Diamantus: calls 400
danowski2809: raises 800 to 1200
Pemby2: folds
pacoloco78: raises 5294 to 6494 and is all-in
*GB*Citrons: folds
~blufin2262~: folds
riv3rstar: calls 615 and is all-in
Diamantus: folds
danowski2809: calls 1173 and is all-in
Uncalled bet (4121) returned to pacoloco78
*** FLOP *** [9c Ah 8c]
*** TURN *** [9c Ah 8c] [4c]
*** RIVER *** [9c Ah 8c 4c] [5s]
*** SHOW DOWN ***
danowski2809: shows [Jh Ac] (a pair of Aces)
pacoloco78: shows [5d 5h] (three of a kind, Fives)
pacoloco78 collected 2716 from side pot
riv3rstar: shows [As 2c] (a pair of Aces)
pacoloco78 collected 4495 from main pot
*** SUMMARY ***
Total pot 7211 Main pot 4495. Side pot 2716. | Rake 0
Board [9c Ah 8c 4c 5s]
Seat 1: bigjim65803 folded before Flop (didn't bet)
Seat 2: mreinert2008 folded before Flop (didn't bet)
Seat 3: riv3rstar showed [As 2c] and lost with a pair of Aces
Seat 4: Diamantus folded before Flop
Seat 5: danowski2809 showed [Jh Ac] and lost with a pair of Aces
Seat 6: Pemby2 folded before Flop (didn't bet)
Seat 7: pacoloco78 (button) showed [5d 5h] and won (7211) with three of a kind, Fives
Seat 8: *GB*Citrons (small blind) folded before Flop
Seat 9: ~blufin2262~ (big blind) folded before Flop

Low stakes TWATARD...enough said really

Unreal though what some people call with.

Makes u think they have a crystal ball!