In some cases, it can be a sign of feeling relaxed and at ease in one's own home environment. But she should also consider the feelings of other family members. For example, if her teenage children have friends over, it might make those friends feel uncomfortable. So, overall, while it can be a personal choice, there are social and family factors to take into account.
Most of the time it is. In a family setting, everyone is supposed to feel comfortable and at ease. As long as it doesn't violate any family values or cultural norms that the family adheres to, it's okay for mom to be in a T - shirt. For example, if the family is very open - minded and values comfort at home, then there's no problem. However, if there are young children who are being taught about modesty, mom might need to be a bit more cautious, but still, in general, it's acceptable.
Well, it could be that she is used to a laid - back lifestyle at home. In some families, the home environment is very comfortable and relaxed. Mom might feel that there's no need to be formally dressed all the time. Wearing just a T - shirt makes her feel free and unrestricted. It also allows her to move around more easily when doing household chores or simply relaxing on the couch.
You could talk to her privately and gently express your feelings. For example, say something like 'Mom, I feel a bit uncomfortable when you walk around like that. Could you maybe put on a robe or something?'.
That's an inappropriate situation. Moms should dress appropriately in family settings. Maybe it was a very accidental and embarrassing situation for the family. For example, she might have just woken up suddenly and in a daze didn't realize she was inappropriately dressed at first.
Well, it might be a story about mom feeling really comfortable in her own home and just being casual in a T - shirt. Maybe it shows her laid - back attitude at home.
You could gently remind her that it's not appropriate behavior. For example, say 'Mom, I think you should put on some proper clothes.' in a polite way.
If you are another family member, you could offer her a robe or something to cover up quickly and discreetly. This way, it can avoid any potential embarrassment while maintaining family harmony.