Not all of us are on the fitness bandwagon, and some are just too lazy to workout. Here are some hilarious tweets done in a witty way as to why they aren't good at this thing called keeping fit. Check it out:

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

11.

12.

13.

14.

15.

16.

17.