Weather, time and family issues have meant I have not done as much cycling as I usually do so far this year. In the limited time I have I started going to the gym, which is less than 5 minutes from my home.
I have tried to make the most of this limited time by devising my own regime called HIFAVOGIT or "high intensity for a very old geezer interval training". I think it works for me, but I won't know until I start riding more.