As I said before, if you are representative, nothing at all.
You are quite right.
To an outsider who is happy with their own beliefs and position in life, Chritianity will have little to attract them.
They would be expected to give up some of the simple pleasures in life, and waste time in prayer and attending church.
They might have to start offering help and service to people they do not particularly like.
They might even have to believe in such things as the virgin birth and the resurrection, or the devil!
They will probably suffer rejection, ridicule or even persecution from their fellow human beings.
They will need to listen to the voice of their conscience.
Life will be turned upside down.
Life will no longer comprise of just existing and dying - it will have true purpose.
Superficial pleasures will be replaced by the true joy of knowing God's love.
You will not be alone, you will become part of Christ's presence on earth along with millions of others.
You will realise the truth that we are not shackled by the constraints of deterministic science, but have been given true free will - freedom to choose our own destiny.
We do not have freedom to choose the truth - it might not be what we like, but the truth will set you free.