restarting need friends and encouragement.

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Hello, I have been gone many months.. as my dad had stage 4 lung cancer and had to take care o him till his death and funeral and stuff. he passed april 6th and during that time i gained all my weight back and then some. i feel horrible and some health problems are back. such as reflux heartburn and just feeling blah. i stopped going to gym and out of shape again. I really could use some encouragement and friends to help me get back the motivation i once had. and get back to where i was. please any advice encouragement. as i am still grieving part of me says o well and other says my kids need me . any suggestions how to restart this? how to lose the weight again?