new mother, new to site, new to p90x

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Hi everyone. I am new to the site. I have 2 kids under 2 and was already over weight before becoming pregnant. I am looking to lose about 60 + lbs. I started p90x less than a week ago and am so sore i can hardly move. I love mfp because it makes things so easy, but am still feeling discouraged because i am just getting started and feel like i have so long to go. Any one do p90x? I am just looking to hear from people, especially women who have truly seen results to share their stories and share in this journey