I went a year+ w/out one after mine broke. The only reason we have one now is that it came w/ the house (it's an above the stove kind). DH uses it more than I do, but I do use it now because it's there.
The main thing I use mine for is re-heating food & heating a cup of water for tea or hot chocolate. . Once in a great while I'll thaw meat in there, but it's rare that I do that. You just need to plan ahead to re-heat things. Having a toaster oven helps.
And having a tea pot is a necessity w/out a microwave.