1. ----but only if you´re blessed with a sanguine disposition and won´t suffer sleepless nights over share prices.
    你必须性格开朗，不会因股票价格的浮动而夜不能眠。

2. Some people are blessed with a lot of both, but some with little of either.
    一些人有幸两者都很高，一些人则两者都很低。