I am pretty decent at maximizing my winnings, but I also seem to be maximizing my losings. If i'm UTG and have something (or even on a draw) I usually bet. Stuff like this happens ALLLLLLLLLLLLLLL the time. Should I have stopped?

PokerStars No-Limit Hold'em, $0.02 BB (9 handed) converter

Button ($1.41)
SB ($4.78)
Hero ($2.65)
UTG ($2)
UTG+1 ($2.60)
MP1 ($2.55)
MP2 ($2.39)
MP3 ($3.27)
CO ($0.86)

Preflop: Hero is BB with [3d], [Jc]. UTG posts a blind of $0.02.
UTG (poster) checks, 1 fold, MP1 calls $0.02, 1 fold, MP3 calls $0.02, 1 fold, Button calls $0.02, SB completes, Hero checks.

Flop: ($0.12) [3s], [4h], [4c] (6 players)
SB checks, Hero bets $0.06, UTG folds, MP1 calls $0.06, MP3 folds, Button folds, SB folds.

Turn: ($0.24) [6s] (2 players)
Hero bets $0.1, MP1 calls $0.10.

River: ($0.44) [Th] (2 players)
Hero bets $0.1, MP1 calls $0.10.

Final Pot: $0.64

Results in white below:
Hero has 3d Jc (two pair, fours and threes).
MP1 has 5c 6c (two pair, sixes and fours).
Outcome: MP1 wins $0.64.