Listen young fella ,I know your excited to be on here giving advice etc...But this is an advanced forum with medical and healthcare professionals like myself and others,IFBB and NPC top level competitors.
You are young and admittedly 170 odd pounds and cutting (none the less by your "shred log").
Read more ,post less and calm your ass down,especially the negative shitty comments I've seen of yours lately.
You cant fucking aim better as you don't see below the skins surface unless using radiology.That is why you aspirate.
While in "slab lab" years ago and dissecting human cadavers I saw all the veins and nerves in the glutes ,they are there believe me.