Talk to Sexologist on Problem In Erection Concern With Sexiologist

I am asking for my husband he is old 39 years... Humari shadi ko 4 years huwe hn aur 3 years ki daughter hy.. shadi k 8 day par intercourse huwa previous problem was erection .us k baad continues but very early ejaculation ... not satisfied relation since starting ... since 3 years same erection problem no sex is saying permanent problem of impotency is there any problem like that not treatable ???