We’ve all done some pretty crazy things while drunk, but this story takes things to an entirely new level.
A 22-year-old man has penned a shocking Dear Deirdre letter to The Sun’s agony aunt, revealing that he recently went out for birthday drinks with his sister and her female friend.
Things quickly escalated, with the trio eventually partaking in a drunken threesome at his flat.
He wrote: “The next morning in the cold light of day, we realised what we had done.
“My sister never wants to do anything like this again and I feel the same.”
However it seems as if they are not able to brush their mistake under the carpet, as their night of passion has left them with a big problem.
“My sister has now discovered she is pregnant and our world has come crashing down around us,” the anonymous man writes.
“I forgot to use protection and I can’t believe I was so careless.
"We are both scared as we realise we have broken the law.”
“My sister has now discovered she is pregnant and our world has come crashing down around us"
Unsurprisingly, Deirdre’s response to the man’s problem was very strongly worded.
Reminding him that incest is against the law, she told the man that the ‘sensible’ option would be to seek a termination before it was too late.
“Don’t waste any time,” she wrote, advising him to contact brook.org.ukfor confidential help and counselling.