Answer:
Relevant Difference reasoning
Step-by-step explanation:
Relevance Difference Reasoning is a term in psychology that describes a type of Casual Argument Form, in which an incident X as the only appropriate difference that has resulted in the effect Y.
In other words, it is when effect B occurs in a circumstance that it has not occurred in similar situations before in. There is a relevant difference A. Therefore A is the cause of effect B.
Hence, in this case, his old girlfriend working at Beano is the relevant difference. Therefore, it is the cause-effect of him, saying we should go to Beano, all of a sudden.