Alex Reid jealous of Katie Price's closeness to boxer Amir Khan
Photos of Katie - aka Jordan - with light welterweight champ Amir, 24, on a night out after a London film premiere in August sparked Alex's realisation there was trouble in paradise.
Since then, their marriage has gone speedily downhill, with Alex realising he was just a rebound stand-in after Katie's split from Peter Andre in September 2009
'Alex is planning on moving back to his mum's house,' an insider tells The Sun.
'He just feels blown apart but is also really angry.
'He feels he is being used as some emotional experiment.'
Katie first met sportsman Amir in May when they recorded the TV show Scream If You Know The Answer and hit it off.
And last month the glamour model was there to cheer the boxer on when he defended his title against Marcos Maidana in La Vegas.
'Two down, one to go,' she's said to have been heard boasting at a party last weekend.
'The third man has to give me another baby.'
to Cheryl Cole and Derek if they are together, just want to make it
clear that I DID NOT say they are just freinds and its a cover up
relationship,' he Tweeted.
'Dont know where they get these stories from I'm happy for them like everyone is. They busy with there lives like I am. AK.'
See Katie Price and Amir Khan in Scream If You Know The Answer...