What the two advisers seem to be saying Susanna is that although a significant amount of life assurance on your husband is probably unnecessary at this stage, you may still want to consider some form of protection in the event of your husband not being able to work for any reason. Not because his lack of earnings would have any effect on the mortgage, but because looking after a sick person can be a financial burden.
As they suggest, this can probably take the form of a critical illness policy, which pays out a lump sum in the event of the diagnosis of diseases such as cancer, heart conditions, strokes etc. You can tie it in with life insurance in the form of a policy which pays out in the event of a diagnosis OR, if your husband were to pre-decease you during the policy, you get a lump sum there. The combined cost of the two types of insurance, taken together, is less than buying one or the other separately.
That doesn't wholly address what happens if he were to suffer a non- "dread disease", which still leaves him incapacitated and unable to work but where you would be unable to claim from on the policy. But you may take the view that you can't insure against absolutely everything.
One of the advisers mentioned permanent health insurance (PHI) for yourself, which is a policy that pays out an income in the event of you not being able to return to work after a long-term illness. This can be a useful type of insurance to have, for obvious reasons.
But before you take out such a policy you should find out what your employer's position is with regard to early retirement in the event of long-term illness. From memory, the teachers' superannuation scheme does allow this to happen in certain circumstances, with either added years or no penalty for stopping work before retirement age. If that is the case, there may be less reason to take out PHI, or at least the regular income you may need would be reduced, as would your monthly premiums.
When your husband starts working after his course, he may want to consider a similar policy.
Hope this helps. As an aside, I think it is a mistake to assume that nasty things can't happen even at a young age.
A couple who are long-term friends (one is a local government employee, the other is self-employed), have just been given shocking news: the self-employed person has just been diagnosed as having a serious form of cancer, will almost certainly be unable to work for many months and will require constant care for some time. The other partner will have his/her income to rely on, of course, but they face a very difficult financial future.
In my book, a certain amount insurance is definitely a good idea, as long as you can afford it.
Hope this helps,
Nic
Editor, moneysupermarket.com