The A&E doctor says he will never get over the death of 19-year-old Llyr to mental health.
The reality star's brother Llyr was set to follow in Alex's footsteps and train to be a doctor.
The lie detector task was ditched from the current series.
He's previously faced a grilling from her mum.
Alex and Josh aren't about to win Father Of The Year any time soon.
'After the apocalypse, only cockroaches & Dr Alex will survive.'
He refused to accept she just doesn't fancy him.
The medic hasn't exactly been lucky in love since arriving in the villa.
'I love my job and this doesn’t change that.'