I think we're considering the terms 'parasitic' and 'symbiotic' and attempting to pair them with 'unintentional' and 'intentional'. Which I don't think is totally erroneous.
Madness string 93178
Memory, it's a funny thing. People want to believe they are what they choose to remember. The good stuff. The moments. The places. The people we all hold on to. But sometimes... sometimes we are what we wish we could forget.