While supermarket mince pies are often full of rubbish, it would be rude not to enjoy one or two made by a friendly neighbour. Photograph: Thinkstock

Q Have you any dieting tips on how to deal with all the Christmas excess? How do I keep the weight off because I love a mince pie and a glass of mulle(...)

In a flap: If you eat chocolate every night, your bingo wings will lap it all up. Photograph: Getty Images

Q I’ve been running regularly and I love it. I love what it does for me all round. Even my kids love that I run and tell me to go for a run when I am (...)

Back on track: reframe your commitment to exercise as an ongoing obligation to your health. Photograph: Thinkstock

Q How did Christmas come round again so fast? I took up running in 2012 when I read your book and I went mad for it, even running the Dublin half-mara(...)

A scene from the film ‘Along Came Polly’ when Philip Seymour Hoffman has to leave an art gallery in haste because he’s just ‘sharted’.

Q I get diarrhoea; sometimes in the middle of my run and always afterwards. Please can you advise me about this? It’s putting me off completely. I nee(...)

Up the tempo of your run if you want to experience the highs of your earlier running days. Photograph:  Anthony Devlin/PA Wire

Q Running always used to make me feel so great. So pumped and energetic, full of endorphins, right? Well, they have gone. I still run regularly, it’s (...)

If you still love your husband, find a way to reconnect with him sexually or that love you share will lose one of its most precious facets. Photograph: Getty Images

Q I just don’t know how I am ever going to have sex with my husband again. It’s as if I have no sexual feelings left; perhaps the kids have killed t(...)

Not seeing results? We always go back to within the weight range coded in our DNA and fighting it is a battle we can never win. Photograph: Getty Images/iStockphoto

Q I’ve tried exercising three times a week and cutting the crap religiously but this flabby middle is going nowhere, for the love of God. I blame the (...)

It’s not worth using up your energy by getting angry over the school emails. Photograph: Thinkstock

Q I am sick to death of having to spend so much of the little free time I have dealing with the ridiculous amount of email correspondence from our (...)

Bring a frisbee to the park, and get your exercise while entertaining the kids. Photograph: Thinkstock

Q The summer holiday is upon us and, as a-stay-at-home mother of three kids under six, my morning window to run, which I stuck to religiously just (...)

Running can bring positive feeling about your body through a transformed attitude. Photograph: Thinkstock

Q Hi Ruth, I’m in need of some advice and a serious wake-up call, as motivation meltdown has struck me badly. I read Run, Fat B!tch, Run in 2013 and c(...)