Perhaps they were linked by one of them obsessively googling the other. I've received bitter comments about a current girlfriend's appearance, occupation, and

Perhaps they were linked by one of them obsessively googling the other. I've received bitter comments about a current girlfriend's appearance, occupation, and religion from an ex with whom I shared none of that information. I did a Google search and came up with exactly the information my ex had. The same ex had, when she was my girlfriend, researched my previous ex and obsessed about her appearance, occupation, etc.