You know you play too many video games when you walk up to random people and just say 'Rumours'.
You know you play too many video games when you realise that you can't find a girl attractive unless she carries a staff and knows first aid.
You know you play too many video games when you attempt to pick up absolutely every small item you find and carry it around with you forever, hoping it could come in handy.
(Bear with me, I have about a million of these)
You know you play too many video games when you start complaining that your workplace's fire evacuation drill displays elements of linear level design.
You know you play too many video games when visiting someone's house, you spend some time musing over where you would put the gun turrets...
You know you play too many video games when instead of ordering drinks, you ask bar staff if they know of any work, and then get disappointed when they hand you an application form.
Ok, I'd better stop... OK, one more.
You know you play too many video games when faced with a challenging situation you find yourself wondering what Gordon Freeman would do...