game is NL (0.25/0.5€) shorthand

first off, Im a newbie in micro limits and a complete moron when it comes to short hand No Limit ...

Either way, I played my first NL game today. Since I have doubled my stack in the microlimits since I first started out playing I thought I'd lose some trying out/learning the NL game. I left after only a short while (like 30min) more or less break even (1€ up), since I realized that I didn't have the betting part and position part down just yet.

I do suspect though that I play extremely weak, I can spot when I am ahead and don't feel afraid to lose money, but in some way it feels that I play unconfident, other players seem to outbet me specially preflop...

Here's a hand I won (1 out of 2) and the only one that played out.

Did I play this right or should I have made bigger bets, play it a little harder ?
...or maybe not that hard preflop, have more people in play ?

and also, should i loosen up just a little in a short hand NL game compared to limit LH ?

and also, was my stack to small (buyin 10€), could've made a lot more on this hand ?

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Game # 60917234 - Texas Hold'em No Limit EUR 0,25/0,50 - Table "Gnarp"
Game ended 2005-04-18 13:01:11 UTC

Players:
Juggs100 (EUR 42,50 in seat 1)
giiunreal (EUR 51,00 in seat 2)
gcguthrie (EUR 21,00 in seat 3)
joslin (EUR 7,25 in seat 4)
micke77 (EUR 48,00 in seat 5)
Sjugurka (EUR 52,75 in seat 6)

Dealer: Juggs100
Small Blind: giiunreal (0,25)
Big Blind: gcguthrie (0,50)

joslin was dealt: Ks - Ac

joslin Raise (1,00)
micke77 Fold
Sjugurka Fold
Juggs100 Fold
giiunreal Fold
gcguthrie Call (0,50)

Flop Ah - 9d - 2c

gcguthrie Check
joslin Bet (1,25)
gcguthrie Call (1,25)

Turn Ah - 9d - 2c - 6h

gcguthrie Check
joslin Bet (0,50)
gcguthrie Call (0,50)

River Ah - 9d - 2c - 6h - 4d

gcguthrie All-In (18,25)
joslin All-In (4,50)
gcguthrie Payback (13,75)

gcguthrie shows: Ad - Jc (a pair of aces)
joslin shows: Ks - Ac (a pair of aces)

joslin wins: EUR 14,25 (with a pair of aces)
Rake: EUR 0,50
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