How bad do i play?

[NinaWilliams]

Hand#1

5 handed. sb is loose before the flop, but competant after.

Preflop
folded the the sb who limps, i raise A [img]/images/graemlins/club.gif[/img] 3 [img]/images/graemlins/heart.gif[/img] in the bb, sb calls.

Flop A [img]/images/graemlins/heart.gif[/img] K [img]/images/graemlins/heart.gif[/img] T [img]/images/graemlins/diamond.gif[/img]
sb bets, i raise, sb calls.

Turn J [img]/images/graemlins/heart.gif[/img]
sb bets, i call

River 6 [img]/images/graemlins/heart.gif[/img]
sb bets, i call

Hand#2

4 handed. Sb plays almost every hand preflop and tries to bluff virtually every pot. BB is unknown.

Preflop I raise A [img]/images/graemlins/spade.gif[/img] T [img]/images/graemlins/club.gif[/img] UTG, sb calls, bb calls.

Flop K [img]/images/graemlins/heart.gif[/img] Q [img]/images/graemlins/heart.gif[/img] Q [img]/images/graemlins/club.gif[/img]
Sb checks, bb bets, i call, sb calls

Turn A [img]/images/graemlins/heart.gif[/img]
sb bets, bb calls, i call

River 8 [img]/images/graemlins/diamond.gif[/img]
sb bets, bb calls, i call.

Sorry if this is standard, but after my last session im seriously doubting my ability to play poker.