why some people become more anxious

[alvaro lopos]

its told that the power of aura determines the effect of a persons anxiety.
why some people live with less powerful aura in past life to be anxious in future.
everyone must have lived in xianty in pastlives but why some anxious more and some less axious.
why was there aura powerful in xianty in pastlife and for some live pastlife with less powerful aura.