Separate the joke from the problem
What is bothering you? Clothes, breathlessness, pain, tiredness, a health result or comments from other people may need different responses. Write down the issue in plain language. New or persistent symptoms deserve medical advice rather than being explained away as getting older.
Look at the week you have
Parenting can make uninterrupted time scarce. Identify one pinch point: finishing children's leftovers, skipping lunch then arriving home starving, or losing the only time you had to move. You do not need to fix all of family life before changing one routine.
Make a change that fits around the household
- Plan an easy meal that everyone can adapt rather than cooking a separate diet dinner.
- Agree a short period of time for your own activity with the people sharing the workload.
- Keep a useful snack or lunch available for the day that overruns.
- Choose an activity you can do with somebody if company makes it easier.
- Ask for help with a practical task, not permission to care about your health.
Keep your children out of the judgement
Talk about energy, enjoyment and looking after yourself rather than describing bodies as good or bad. You can set a personal goal without making the family's food a moral test. If the plan is exhausting everyone, simplify it. Being a parent does not remove your need for support, and an ordinary setback does not cancel the example you are trying to set.