Not So Able
A cruise holiday is an excellent choice for people with mobility some kind of difficulty.
The cruise companies do their utmost to accommodate all scenarios. Contact the company before you book, ask them all you questions they are very helpful and understanding.
If you or your travel companion require the use of a mobility scooter then you should select either a wheelchair accessible cabin, or selected suite or mini-suite accommodation when making your booking.
Some cabins are specially adapted for wheelchair access
The entrance
The bathroom
The entrance to the bathroom
Special diets
A friend of ours could only drink distilled water. At home she had a counter top distiller she asked the company if it was alright to bring it and set up in their cabin. The company were fine with that so she had her distilled water every day of her cruise.