It is clear that Lepa has taken up permanent residence in Sipek's heart, as well as his home.
For Sipek has shown that what we thought were nature's boundaries are, in fact, very moveable lines ... and he's moved them right through his own front door.
"Little Lepa, she's a terror in the house! She tears up the house, she tears up the couch, she tears up the chairs. But that's part of life. You have to accept it.... It's us, the way we live," says Sipek.
For the full story watch "20/20" this Friday at 10 p.m.
And watch more exotic pet owners who seem to prefer the company of dangerous animals over their own families on Animal Planet's series "Fatal Attractions," Thursday, March 25 and Sunday, March 28.