Should i be concerned?

[deanosaurusex]

When ever i train chest and come up to my flatbench dumbell flyes after my set and i sit back up my chest, arms, shoulders and sometimes a tiny part of my back is covered in little 1-3cm in diameter little (what looks like) purple bruises that fade away after 2 or 3 minutes.. wtf?

 

[Johnny 138]

Symptoms of early onset syphillus bro. Now wipe that bench down before you move on.