The best combined birthday and holiday/anniversary gifts

The thing about combined birthday gifts is this: They better be fucking awesome and super-symbolic. Because you're not just saying one thing, you're saying a lot of things at once. So here are my favorite symbolic gifts that'll work for combined birthdays and holidays, or anniversaries, or just general gift-inspiration awesomeness!

Water bottles that are also hydration trackers

I often get dehydrated. I had the thought the other day… My FitBit reminds me to get enough steps a day, what if there was a water bottle that did the same! Fortunately, it's already been invented. Hydration trackers are a thing, and I'm debating getting one. But which one…