Here's a hand I just played. The play itself is standard. What got me was villain's comment afterwards.

PokerStars No-Limit Hold'em, $0.05 BB (9 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

UTG ($4.68)
Hero (UTG+1) ($4.88)
MP1 ($4.26)
MP2 ($3.56)
MP3 ($3.51)
CO ($4.93)
Button ($3.59)
SB ($2.45)
BB ($4)

Preflop: Hero is UTG+1 with K, K
1 fold, Hero raises to $0.25, 3 folds, CO raises to $0.65, 3 folds, Hero raises to $1.60, CO calls $0.95

Flop: ($3.27) 2, 6, 2 (2 players)
Hero bets $1.95, CO raises to $3.33 (All-In), Hero calls $1.33 (All-In)

Turn: ($9.83) 6 (2 players, 2 all-in)

River: ($9.83) 10 (2 players, 2 all-in)

Total pot: $9.83 | Rake: $0.45

Villains said "I don't know what I was thinking". He had QQ. Villain thought long and hard before each action too (going into think tank). If that is not a sign, nothing is. Gotta open up. Gotta mix it up. 2NL nut camping doesn't seem to be as effective. My game needs work.