(NSFW) How have you cockblocked yourself by not realising you were about to score?

A female friend was leaving to go to Australia for a job opportunity, so I organised her a goodbye party at a local pub with all of our friends, all night we were talking about how many fun memories we had as kids growing up and how as teenagers we dated for a couple of weeks but never actually had sex, anyway a couple of hours go by and it's closing time, she asked if I'd walk her home, so when walked back to her place I kissed her on the cheek and said goodnight, she asked sort of seductively if I'd like to come in for a "coffee" and I stupidly responded "I don't really drink coffee" we hugged and I left.. anyway, I got home lay in bed and it clicked.. she wanted to have sex... FUCK, I was so stupid, anyway a couple of months later she returned home for a few days and I took her out for "coffee" many of times.

/r/AskMen Thread