Gud Morning Sir Thnx For Giving Me Ths Oppur I

gud morning sir thnx for giving me ths oppur i had this prob from last 4 to 5 yrs prob is my penis is not much larger & stronger some times larger but not ever .iam dipressed with this wht can i do i very sensitieve i could not capable to expresses my thoughts to others could u pls help me out shortly iam going to marry my age now 38 i have tobacco chewing habbit & ocationally drinking habit