Christianity dwells in heart, not in the dresses, so it should not affect Christianity.
Christian life education is the teachings of the way of Christ, and how those teachings will affect, or show, or even help in your daily life.
it makes them feel better and makes them a better person
Did earthquakes affect the Incas way of life? Did earthquakes affect the Incas way of life?
how did geography affect the early arabs way of life
No, only the cultures they live in. Christians can dress any way they want. but appropriate is always a good idea. nothing to gaudy or showy.
There is no particularly special way for Christians to dress at Christmas. Most will dress well if they are going to a religious service of one kind or another. It is all down to personal choice.
The way people dress, whether Roman or not, whether ancient or modern, cannot possibly affect the weather.
I would think no, it does not. It will only affect you if you let it affect or disrupt you in a bad way.
Peer pressure can influence the way you dress by making you feel the need to conform to certain trends or styles to fit in with a group. This can lead to feelings of self-consciousness or insecurity if your clothing choices don't align with your peers'. It's important to remember to dress in a way that makes you feel comfortable and confident, regardless of external pressure.
the way they dress and how they eat or act
The way you see God should affect both you spiritual life as well as your physical life. When it comes to religion there is no difference between a "Christian" life and a "Physical" life. We need a balance of both spirituality and physicality in our lives at the same time to reach ultimate happiness.
Robes and bald haircut