How Post-Sept. 11 Will Change Post-Post-Sept. 11

We look back to Sept. 11 as a moment that altered the ways Americans behave. In the dynamics of cause and effect, though, what starts out as an effect often becomes a cause of additional change. Thus, the recent shifts in people’s behavior will end up yielding their ownconsequences further down the line. Here’s a forecast of some effects already set in motion. •Look for a baby boomlet next spring. A poll by HomeStyle magazine finds 28 percent of homeowners saying they’ve been “more physically intimate with their partner/spouse since Sept.