Northern Ireland is the only part of the British Isles where same-sex marriage remains outlawed after the Republic voted to change the law in a watershed 2015 referendum.
Mr Varadkar said: "It is of course a decision for the Northern Ireland Assembly, but I am confident that like other western European countries they will make that decision in due course." Police Service of Northern Ireland and Garda officers also joined Mr Varadkar at the event, arriving in a PSNI Land Rover.
We are the Irish dating site for people looking for serious relationships. Unlike other sites, we manually screen every profile and photo before it goes live on the site.
All our members are single people in Northern Ireland and the Republic of Ireland just like you, who are looking for a bit of craic and romance. We have strict rules – no married people, no sexual profiles.
These texts reflect a larger malaise in dating, both offline and on: a man’s sense of entitlement, an undercurrent of aggression, his petulance at not readily getting what he wants, and women’s hostility and reluctance to engage.
The problem is that, in an online set-up, many women expect the initial approach to be made by men.
Across Britain and Ireland plenty of people are willing to pay for sex – and plenty more are willing to provide it, but until now it has largely been the domain of professional sex workers.
Mrs Gray added that the PSNI's presence at the events might encourage victims of hate crime to come forward and report them.
Up to 8,000 people are due to parade through Belfast city centre later.
Others like Swingers Europe, and Swinger Zone are far from unpopular.
And there are plenty of specialist sites too: Gaydar and for gay hookups, URNot Alone for transsexuals and Alt for bondage and sadomasochism enthusiasts.
Britain's Adult Work website is plugging into the growing niche industry of sex-work dilettantes, people who spend a few hours a week in front of a camera, or in bed with a client, to augment their income – or maybe even just because they like it. Besides pornography, there are plenty of sites where sex-starved people can hook up.