Std results came back negative but have discharge.

hello i am 23 yrs old i recently got curios to look around at my penis i started squeezing penis and noticed white discharge coming out but barely any it wont leak or come out on its own unless i squeeze it out i got tested for std and everything came back negative is this something i should be woried about or is it normal?! i also started noticing these white spots on under my foreskin again i maybe have had this already but just noticed them, was told they were fordyce spots also. std test came back negative for everthing could u guys maybe help and tell me what the discharge is and the white spots under my foreskin?image

Do you masturbate regularly - is the discharge any different in appearance to semen and pre-ejaculate … ?