Woman says I do to evil robot Game fan uses Portal 2 villain to pop the question

A game fan delivered one of the oddest proposals ever - delivered by the sinister villain in the hit game Portal 2.

Source:
http://www.dailymail.co.uk/sciencetech/article-2036465/Woman-says-I-evil-robot-Game-fan-uses-Portal-2-villain-pop-question.html