Final answer:
The text provided does not explicitly mention what Connor Bradley compared trying to hold in his tics to. Attempts to suppress tics are often likened to resisting a sneeze or an itch based on general experiences with these conditions.
Step-by-step explanation:
The extract provided does not clearly state what Connor Bradley compared trying to hold in his tics to. However, based on the larger context of discussions around obsessive-compulsive disorder, tics, and anxiety, individuals experiencing tics often describe the attempt to suppress them as extremely challenging and uncomfortable, akin to holding back a sneeze or not scratching an itch. The referenced texts do not offer a direct comparison from Connor Bradley, but they suggest a shared understanding of the hardship faced by individuals when trying to control such involuntary actions.