Erectile dysfunction. Correct are not?

Hi I am facing 1)erectile dysfunction 2)small penis size and penis is not straight 3)Back pain problems My job is marketing, i must travel  long distance   by bike only approx 100/200kms per day due to too long distances travelling recently i am facing back pain problem very severly in some situations i cant bend also And i just read somewhere if we have back pain and its is interlink to erectile dysfunction is it correct are not? erectile dysfunction My penis is to small and for past few months i cant erect by penis  strong And i masturbate by seeing porn videos only After facing these problem i just obeserve it is  erecting when i see porn videos only but not strong i just stop seeing porn videos, i think when we wake up at morning automatically penis is erected  but my penis is not erecting at morning time also My penis is very small and penis is not straight My penis is look like banana shape when penis is erected, penis is slight to fallen to left side it is not straight