Well, it's not a straightforward yes or no. The reusability of fiction-fit ball bearings depends on several factors like the type of material, the extent of previous use, and any visible signs of damage. Sometimes, even with minor wear, they can still be used, but it's risky.
Limit your interactions with your teacher outside of class. The less you see them in non - academic settings, the easier it will be to get over the crush. For example, don't stay after class for no reason.
Well, you could try doing things he likes together to strengthen the bond. Also, showing appreciation and support for him can go a long way. Sometimes, small gestures of love and care can make a big difference.
One way could be to have heart-to-heart conversations regularly, listen to his perspective, and work on resolving any conflicts together. Surprising him with small gestures of love and support might also make a difference.
You might consider giving him some space to explore the manga on his own and then discussing it together. Sharing your enthusiasm and showing how it brings you joy could potentially get him on your side.
Maybe come up with a plan to involve him more in the story, show him how his presence can make a difference. Also, give him reasons why it's important for him to be on your side.
To get your husband on your side in comics, you might consider doing nice things for him unexpectedly and involving him in the comic-making process. It's important to be patient and supportive of his input too.