The question is far too broad for a complete answer. Suffice it to say that Christians are people and as such some strictly follow, others mostly follow, while some few barely follow, and some never follow their beliefs. The 'how' part is just as variable.
because it is what the lord our God tells us to do
A member of church of England who settle in north america to follow christians beliefs in a more "pure"way
The Bible.
Don't do it
Yes. Christians follow the Holy Bible.
Yes, Catholics believe in God. They follow the same Bible as other Christians, along with some teachings and beliefs unique to their faith.
in the apostles creed.
Some Religous beliefs of the christians are God and Jesus death
Follow Christ.
There is no universal agreement among Christians about any aspect of marriage.
christians WHAT THE FLIP??????????????????
Mostly christians
If you mean what is bulgarians religion. They are Christians.