villain is like 10/0/0/10 over 40-50 hands. does it look extremely obvious to anyone else that he has AJ or am i crazy?

Party Poker No-Limit Hold'em, $ BB (8 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

SB ($18.85)
BB ($27.05)
UTG ($9.05)
UTG+1 ($22.25)
MP1 ($14.40)
Hero ($103.01)
CO ($24.52)
Button ($6.83)

Preflop: Hero is MP2 with Q, A. SB posts a blind of $0.10.
1 fold, UTG+1 calls $0.25, 1 fold, Hero raises to $1.25, 3 folds, BB calls $1, UTG+1 folds.

Flop: ($2.85) J, 4, A (2 players)
BB checks, Hero checks.

Turn: ($2.85) 5 (2 players)
BB bets $1, Hero calls $1.

River: ($4.85) 4 (2 players)
BB bets $5, Hero folds.