Support and consistency help build new habits

Charland says 30 days is a common time frame for putting new habits into practice. But that doesn't mean you'll be done in a month's time.

"You may do well for several months, then hit a stumbling block and fall back into the old habit," says Charland. "That's common."

Instead of beating yourself up for "failing," show yourself some compassion. Revisit your goal. Think about those kids or that amazing vacation you want to take. Review your meal plans and take note of where and why you stumbled. Stay positive and get back on track. You've got this.

Charland also encourages you to get support. "Find the support that works for you, and don't be afraid to ask for exactly what you need," she says. You may seek out support groups, rely on your spouse or friends, or choose to work with a health and wellness coach.

She adds, "Any habit can be changed, but it needs to be done as consistently as possible. Start with a small change, do it every day, and build on that." So, sure, maybe old habits die hard, but they're dying. And new habits are being formed.

Now, which habit are you ready to change?