scoreboard players set @s KyuDummy4 0
execute store result score @s KyuDummy4 run data get entity @s Age
execute as @s[scores={KyuDummy4=..-151}] run scoreboard players add @s KyuDummy4 150
execute store result entity @s Age int 1 run scoreboard players get @s KyuDummy4

tag @s add AlreadyGrew