Marriages can end when one member of the couple discovers that the other has had an adulterous relationship.
In my experience I needed at least one year before I even would have made an interesting date for someone.
When making important decisions about your finances, your children and your lifestyle it is important to be in as calm a state of mind as possible.
People who make the best choices in their divorce negotiations are able to separate their actions from their reactions -- in other words, they are able to think about what is best for themselves and their families separately from the emotions they feel about the adultery.
Adultery is also unlikely to affect a custody determination so long as the wayward spouse has not carried on the relationship in front of the children or exposed them to inappropriate people or situations during the course of the affair.
In some states where fault is still a factor in divorce proceedings (even where no-fault divorce exists, in some states there is still fault-based divorce that -- when proven -- can impact support or property division) an adulterous relationship can seriously reduce (or even eliminate) the obligation of one spouse to pay alimony to the unfaithful spouse regardless of need.
It doesn’t matter what he is going through if you are not ready (please avoid the “savior mentality”.