If a friend called over to my house in the evening and stayed a while, I'd get really irritated." A couple of months later, Neil started missing nights out with friends, and rarely came out of his room.Bit by bit, this Galwegian started to cut himself off from what he describes as "the important time you don't recognise, the time you spend connecting with other people". I work every day with teenagers and their families.

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It wasn't until he left his own birthday party early to watch porn that he knew he had a problem.

"The funny thing is, I never thought porn was the problem," Neil says.

Yet, I still feel like I am playing catch-up when it comes to teenagers and technology, or more-particularly, teenagers and their use of social media.

Just when I think I understand what it offers teenagers, and how they use it, I discover something new.

In 1982, a British Airways Boeing 747 en route from London to Auckland flew into a cloud of volcanic ash thrown up by the eruption of Indonesia's Mount Galunggung, resulting in the failure of all four engines.

It glided out of the ash cloud and restarted its engines, safely diverting to Jakarta Airport."I blamed other things for taking up my time - my work, phone calls from friends and family, even doing my washing!It wasn't until my birthday that I knew something was very wrong with me." Neil considers himself lucky. I could have started watching porn in work, got in trouble with my company, and all that stuff.It's unlikely, however, that a repeat of 2010 is on the cards - even if a substantial eruption does occur.Since 2010, scientists, the aviation industry, airlines and the European Aviation Safety Agency (EASA) have worked together to review volcanic ash airspace contamination threats.When I was a child, the sensation of someone brushing or fiddling with my hair gave me an immensely calm, soothing feeling.