Minimum wage visa rules keep man and wife apart.
The 45-year-old had not seen his wife Dee for a year, until a recent reunion at Gatwick airport.
But it was not a happy meeting - she was refused entry to the UK by immigration officials and was detained for two days in a removal centre.
"I never want to have to do that again - tell my wife that she's not allowed to come and see me," he told the BBC Wales Eye on Wales programme.
You can hear audio of an interview with David here :