Okay, first, IMHO there is no concrete time period since it is such a personal decision. But face it, it IS something almost every married person or their surviving spouse is going to face. I post this because I have had two friends....both men....lose a spouse, one was actively dating 3 months later, and one 6 weeks later. Both seemed a little soon to me. Now, both had wives who had life threatening illness for 10-15 years prior to their deaths, however both has been considered in "remission" for many years and both had very sudden declines, literally days after a potential delapse was discovered. It is something my wife and I have discussed, and we both are of the "one and done" mind set when it comes to spouses.