1)No.
2)不要太多考验您的老哈,by leaving him alone near "盘丝洞" too long. 多数人,不管男女,是经不起阵阵的考验的。 xxx 是我档久经考验的。。。只有在追悼会上听得到。
有道是,常在河边走,哪有不湿鞋?
3)You don't allow your husband to explore.... You either encourage him or not encourage him to.... Allow is a wrong choice of words here; it may hurt your husband's 自尊。Anyway, there are many routers/accesses towards career building inside the USA, right? At least he will be near home assuming you live in the States. Good luck to you and your family!