The very sentence "premarital sex" would give goosebumps or a shrug by most Muslim brothers and sisters. Normally in Islam, having sexual relations outside marriage is haram but this prohibition applies only for physical relationships with another person. There is an article published in a website which argues that premarital sex becomes halal under 5 main reasons. The article is in this link

cjislam.weebly.com/5-reasons-why-premarital-sex-becomes-halal-in-islam.html

I would like to know whether having premarital sex is halal under certain circumstances because Islam is a very easy religion and we have to facilitate things with out making things hard.