Decker suffers from persistent genital arousal syndrome. He developed the condition in September 2012 after slipping a disc in his back while getting out of a chair.
While he was en route to the hospital, he suffered five orgasms.
Since that moment he has been plagued by the condition, he describes as ‘disgusting and horrendous’.
According to medical literature, trauma to the pelvic nerves can trigger hypersensitivity in this area.
The painful pelvic condition has left him housebound and isolated, through fear of suffering a public orgasm.
He said: ‘Imagine being on your knees at your father’s funeral beside his casket – saying goodbye to him and then you have nine orgasms right there.
‘While your whole family is standing behind you. It makes you never want to have another orgasm for as long as you live.
‘There’s nothing pleasurable about it because even though it might feel physically good – you’re completely disgusted by what’s going on.’
He added: ‘If you’re in public, if you’re in front of kids – it’s disgusting and it can break you real fast.
‘It happened to me at the grocery store and when it was over there were around 150 people looking straight at me – why would I leave the house when something like this can happen.’
Mr Decker lives in Two Rivers, Wisconsin, with his wife April and two sons Christian, 12, and Tayten, 11.
While doing all she can to support her husband, Mrs Decker said his condition is ‘hard to live with’.
She said: ‘We really struggle right now as he is unable to work and supply for his family and I feel like all the strain is on me.
‘It’s really upsetting, we don’t do things that man and wife should do and we argue over things that should not be affecting us.
‘Because he sometimes has episodes at night we took the decision to sleep in separate beds.
‘That can be very frustrating. You want the comfort from another person, particularly your husband, but we don’t have that.
‘I really miss the old Dale, we used to have a lot of fun and one day I pray that he will come back to me.
‘Maybe the doctors will find a cure for this – I don’t know – I just really hope that they do.’
The horrific condition has cost Mr Decker many of his friends and the relationship he shares with his sons has also been affected.
‘He struggles to be a good father to the children because they obviously don’t understand what is happening,’ his wife added.
‘He can’t take them to practice – can’t play ball with them, it’s really hard.’
Despite suffering from a near constant erection Mr and Mrs Decker rarely have sex.
‘Occasionally we will but it’s very frustrating for both of us,’ Mr Decker said.
‘I’ve tried reading about it, tried going to doctors but nobody can help me – I don’t know what I’m going to do.
‘I just want to get my old life back – I just want to get back what this condition has taken from me.’