I Am 21 Years Old , Five Feet Five Inches

I am 21 years old , five feet five inches in height, 52 kg in weight. I am unmarried never had sex. I am likely to marry soon, my problem is pre ejaculation and slight ED. The erection does not sustain for a long time with rigidity, this happens some time. I have three and half inch or 10 cms in length erect penis and circumference is four inches when erect. Will I be able to satisfy a girl in sex.i am applying olive oil.My question does it grow penis length for my age guys, is it pure olive oil or even baby olive oil.Honey to be mixed. olive oil to beheated or warm cloth is ok