Why didn’t Bill Clinton’s approval ratings decrease after the Monica Lewinsky scandal?

So normally, having a blowjob while being president should have approval ratings drop like crazy, but for Bill Clinton, it increased his approval ratings after the scandal with Lewinsky. Why is it that the Lewinsky scandal didn’t tank Clinton’s approval ratings?

So normally, having a blowjob while being president should have approval ratings drop like crazy, but for Bill Clinton, it increased his approval ratings after the scandal with Lewinsky. Why is it that the Lewinsky scandal didn’t tank Clinton’s approval ratings?