I can't always help myself.

Preflop: Hero is SB with 2, A
UTG calls $10, 4 folds, CO calls $10, 1 fold, Hero calls $5, BB checks

Flop: ($40) 5, 9, J (4 players)
Hero bets $30, 2 folds, CO calls $30

Turn: ($100) Q (2 players)
Hero bets $80, CO calls $80

River: ($260) 2 (2 players)
Hero checks, CO bets $150, Hero calls $150

Total pot: $560 | Rake: $3

Results:
Hero had 2, A (one pair, twos).
CO had K, 8 (high card, King).
Outcome: Hero won $557

Villain wrote: "Nice call donkey".
I replied: "Yes you are one" (he was)

Then he wrote how he hopes my family dies in a car accident.

I sure didn't have to reply anything to his first comment and I really regret that I did (unprofessional).