I know alot of people say never fold KK preflop. But honestly...what other hand would EVER 4-bet shove preflop at $5NL. I have yet to see a 100bb stack do it with worse than KK. Does anyone ever fold KK to a 4-bet shove at microstakes, or am I just leveling myself.

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

MP2 ($6.69)
MP3 ($2.89)
Hero (CO) ($6.93)
Button ($8.96)
SB ($2.05)
BB ($10.78)
UTG ($4)
UTG+1 ($5.06)
MP1 ($6.17)

Preflop: Hero is CO with K, K
1 fold, UTG+1 raises to $0.30, 3 folds, Hero raises to $0.95, 3 folds, UTG+1 raises to $5.06 (All-In), Hero calls $4.11

Flop: ($10.19) 2, 5, J (2 players, 1 all-in)

Turn: ($10.19) 9 (2 players, 1 all-in)

River: ($10.19) 7 (2 players, 1 all-in)

Total pot: $10.19 | Rake: $0.50

Results in white below:
UTG+1 had A, A (one pair, Aces).
Hero mucked K, K (one pair, Kings).
Outcome: UTG+1 won $9.69