"I've caught cheats, love rats, whatever you wish to call them. It's my speciality."
Discovering that your husband, wife or partner has been unfaithful is undoubtedly one of the worst things imaginable in any relationship.
What's worse than not knowing for sure that something is going on is suspecting it without being unable to definitively prove it.
In such instance many individuals have started to turn to private investigators in a bid to uncover the truth.
One such private investigator Daniel Shaw of www.carter-harris.co.uk. A man who boasts: "I've caught cheats, love rats, whatever you wish to call them. It's my speciality."
One of their recent clients, or 'victims' as they are referred to, was Gill - a woman who suspected that her husband had been cheating on her and sought Carter Harris' services inn order to prove it.
"It didn't take us long to catch him out," Daniel said. "When we did it was a simple case of presenting the evidence to her."
"She explained to us what it was like when she discovered her husband had been having an affair behind her back."
Gill's experience mirrors that of so many other people who have been betrayed.
"Finding out your spouse has betrayed you is and will be one of the darkest moments of your life," Daniel says.
Speaking of her feeling throughout this difficult period, Gill recounted: "I didn't want to believe it. It's just a fog of total disbelief. I put some guilt on myself. It's so painful. I just wanted to believe nothing was happened, until I just had to."
"It was life shattering for me, absolutely life shattering. I felt worthless and betrayed."
It was eight years into their marriage that Gill began to notice changes.
"He was so clearly distant, all of a sudden he just wasn't there. He became vacant."
"There was very little conversation and he found many excuses to be away from me. He basically found lots of places to go during the day."
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Thankfully for Gill, she has moved on since her divorce and she is free now to pursue her life without living under a pretence.
"It can be a great thing to get rid of someone so toxic in your life that you're living with," she said.