Libbie, I'm willing to bet that your husband, like mine, has a hobby that is more expensive then your knitting.
Mine is a Civil War re-enactor, short of gambling it away, nothing is more expensive than period re-enacting, IMO. (We live on the West coast, the "good" battles are on the East coast.)
Have you ever knit him a pair of socks? Once I did that, he appreciated my change from crochet to knitting better.
Anyway, congratulations. If he's a techie type, maybe you can get him knitting also.