My exercise buddy sprained her ankle yesterday and is out of commission for a month or so

I have been the motivator to get to class, but her accident combined with my boyfriend being home (works out of town, home every 4 - 6 weeks) has kinda dented my resolve. He's gone back to work now and things are starting to get back to routine, but I just can't seem to drag myself out to exercise.
I used to do a calendar to track exercise and put a sticker on each day I got out, kinda like the motivation you use for children. Believe it or not, it did work and provided a great visual. I am going to go shopping for a new calendar and some stickers today - and walk a lap or two around the mall.
Julieann
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Julieann
Fitday Start weight 263.6 lbs Jan 3/11
Current weight 243.6 May 23
Pounds lost
20
Next mini goal under 230lbs by August 15/11
Mini goal under 250lbs by Feb 14/11
Met!!!
Exercise goal walk/run a 5k by July/11(5min run/2min walk intervals)
MET!!!
Ultimate goal 160 Jan 2012
“If at first you don’t succeed, you are running about average.” ~M.H. Alderson