How to appear natural and graceful in front of relatives?

The main reason is that you are not confident. Self-confidence does not mean blindness, but self-knowledge, which is also the reason why truly confident people look natural and graceful. So I think the main thing is to cultivate self-confidence, that is, to cultivate the ability of self-analysis and self-appreciation, to observe the world and people more, to pay more attention to their own image and to develop their own personality charm. What they say may be a little broad, mainly to improve their internal and external at the same time, improve their appearance, do more fitness and skin care, and then see what is more suitable for them.