Talk to Urologist on Can't Maintain Errection

Respected Doctors, i hope you will answer my question which is, my Penis always get erected in the morning and while laying down or sitting on a sofa but as soon as i stand up or try to masturbate while standing my penis loses all the erection. but sometimes i also get trouble getting erection while laying on the matters, i am not anxiety about it because i have 2 years before i got married but till than i want to make everything perfect. yes i watch porn. but maybe once in a week i am also not addicted to masturbation. i have quit masturbating for a long time but didn't got any wet dream. i hope you guys are understand. my height is 5.7" and weight is 82kg.