The age seems quite young to loose an erection. If it happened only once or twice then you can usually chalk it up to performance anxiety. Ids he stressed at work? Sometimes this is enough trigger for ED to occur. T

o make sure there is is nothing major going on, get a check up from the doctor. A lack of erection means lack of blood flow so there could be some vascular issues going on under the skin and this is a symptom. An easy fix is to visit http://penispumpwarehouse.com which is a place to purchase vacuum devices, you don't need to splurge on an expensive model, sounds like he has milder case of ED which is an easier fix.

Try the model called Precision Pump, it's basic with a hand bulb but for a light case like your husband's it will do the trick. Before you take any advice though check with the doctor you never want to go living with some medical problem that could easily be fixed!