Hello. I am assuming your hubbie has the cannula situated in his abdomen area.
I wear my PJ shirt inside out and place the pump on the now inside shirt pocket.
For everyday use a pump belt accessory works well with tubing tucked in, or i can route the tubing under the belt to situate the pump in my pocket except this leaves the tubing exposed.
For intimate moments i remove the pump temorarily.
When wearing a rucksack ( not an bedtime asventure)! for, shopping or in crowds i wear a travel wallet holder over one shoulder and under the opposite arm with thevpump in it. The tubing is long enough for me to reach in the top of my shirt to retreive the pump to operate it.
In this situation i often wear another such wallet running from the other side with my wallet in it but access the wallet from the underside of the shirt.
I look a bit like a banderro with crosssed bullet belts underneath the top shirt.
This arrangement means i need to wear a collared shirt underneath my top shirt in order to prevent the the straps/ loops of the travel wallets chafing the sides of my neck.
But this arrangement also reduces the worry that wallet and/or pump might be stolen in a crowd. Best Wishes.
Addit: i moved to a pump 7 years ago. By that stage i had been on insulin for 45 years and despite 8 plus insulin injections per day was experiencing nighttime hypos which were threatening my diabetes control, my driver's licence and my work status. The pump helped me stop the hypos and retain my ability to continue working until retirement in 2014.
The other thing to say is that plastic cannulas were troublesome in that they tended to bend or kink and slow the input of insulin without setting off an obstruction alarm. The only sign of this problem was an unexplained high bsl reading and the only option was to replace the cannula and tubing.
I moved to using the steel cannulas ( 90 degree ones) and have had much less problem with infusion problems etc and the bonus is that the connection point of tubing to the steel cannula is via a connection sseveral cms distant to the canula site itself so that in connecting and disconnecting the tubing ( say, for showering) i do not end up jiggling the cannula site ( compared to the plastic cannula set up) and also if the tubing gets caught on something the connection sticky pad being separate from the cannula sticky pad site takes the brunt of any tension or pullng and makes it less likely that the cannula itself will he dislodged.