Exercise...

Weight Watchers is very liberal with what counts as "exercise". You can earn "activity points" without even trying as long as you don't sit all day.
Here are a few examples...
22 minutes of "moderate effort" housework will earn you 2 activity points or you can work a little longer (30 minutes) doing "low effort" housework and get the same points.
Why don't you do a little gardening? You can also earn 2 points if you mow for 22 minutes. Weeding for that same amount of time will also earn you 2 activity points.

My suggestion...Do a little bit of housekeeping or go outside and enjoy a bit of yard work. You will feel better and your home will look a bit better too!