Need some advice

Patient: Hi I am writing in hope of abit of advice on my problem..I have been with my girl friend for a year now and although things havnt always been that easy, recently it has become overwhelmingly differcult as I believe I have premature ejaculation, I have lost a lot of convidence because of this and I am becoming very stressed which is effecting everything I do, in my relationship and my job.If you have any advice on this I will be very greatfulThank you