Talk to Urologist on Batter Answer Or Suggestions Needed....

Sir from past few months facing behaviour difference in my erectIon(if we rate reaction out of 5 sometimes on level 5 sometimes level 4 sometimes level 3 n sometimes sudden blood loss) then i all tests i.e testesterone, prolactin, lipids profile, Bsf, hbA1c, Rfts, lfts, blood cp, urine sr nothing bad comes bad all reports were fine no physical issue i m an athlete so i am still confused in between physical or phycological if its physical then should i go for ultrasound or its physological...... Need good advice plz help!