Since I've not seen the first 300 or so episodes... I'm not too bothered about her oscillation!
I still think (hope) there's another reason for her eating chilies than their "farak kyu padta hai" games....
It's getting too boring imo...
And correct about inflicting pain on self also.
I do believe in the kind of love that gets you killed but this isn't a good example for that if I've to quote the best example for that would be prithviraj-sanyogita love.