Get up!  Get out!  Every Wednesday, Louisville.com Healthy Heart Beat writer Emily Ruppel offers suggestions for events and activities in Louisville that will help keep your spirits high and your blood pressure low. On Friday, February 12th or Saturday, February 13th, get a head start on Valentine’s day with a little stroll through a gigantic park.  Jefferson Memorial Forest will be hosting a V-day hike for all the lovers (of nature) in Louisville.