Sex advice with Suzi Godson: Our playful experimentation has ended

No, I don’t think she is bored in your relationship. What you have described is quite a common trajectory within a relationship, and is perfectly healthy. No matter how adventurous you are in the early days, commitment and long-term relationships cannot sustain the level of excitement (and time spent in the bedroom) that you started with. Sex inevitably becomes less experimental, and is likely to happen less often too.
Sex inevitably becomes less experimental, and is likely to happen less often too.