User blog comment:AntiGravityMaster/Dipper and Pacifica Theory./@comment-14847494-20150412074725

Process of elimination doesn't work in this situation. Dipper could very well end up with no one in the series.

Towards the end of "Northwest Mansion Mystery" they become friends and hugged. Not nessicarily a sign of romance.

Just because the theory is common that doesn't mean it's true.