John's big secret to keeping health and fitness resolutions

"The biggest tip I can give for sticking with any health routine for losing weight and getting more fit is to constantly change up your workout," shares John Colaneri, known for his HGTV show "The Kitchen Cousins."

"One thing you have to remember is that muscles have memory and if you do the same routine week in and week out, they memorize that movement. Variety is also great for your attitude and will give you the push you need for those workouts. If you prepare yourself and plan any goal is attainable!"

Check out five ideas to challenge yourself in 2015 from John:

More from Guest Editors The Cousins:
Five quick fixes for a better you in 2015
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What will be huge in 2015?