Here’s an interesting article from Psychology Today which may make you question your relationship with your nearest and dearest: they could be the reason you don’t stick to the diet/keep going to the gym/stay off alcohol. Though, this could also be a great excuse for you giving up before you’ve even started. Willpower people! (I’m going veggie for January and, erm, that’s it – gotta be realistic about these things!)
https://www.psychologytoday.com/us/blog/me-you-us/201501/new-year-new-you