Write a question about the following article.

But the more I thought about it , the more I realized that probably was n't the case at all . I mean , if she wanted her to drink with her , she 'd say something like " We should go drinking sometime " . The whole thing got me to thinking about back in the day , especially when I used to talk to a lot of people on AIM about their problems and stuff , acting as a place where people can vent . People would complain to me about other people they know , like how their boyfriend treats them like crap or how their friends are being mean and all sorts of stuff .

Question:
Was he thinking of the past , present , or future ?
Select from the following. (a). He was thinking of the future .; (b). He was thinking of a time when friends were n't mean; (c). He was thinking of the past .; (d). None of the above choices .;