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She also is very sociable, and interacts a lot with any human visiting me. Then, it requires a stronger effort from their part to leave. it's like if my cat was giving them extra mass...

Hey, maybe she's the extra Higgs Boson they are looking for at CERN, hiding in my sink, so not to be found
:-)

Higgs cascades! (the topic of one of my latest article, where heavy Higgses can be produced and then decays into lighter Higgses that themselves decay into the Standard Model Higgs) ^^