Being in love in life doesn’t necessitate loving a single (or very few) things only. You can also be in love giving your attention to multiple things.
Essentially, I think two paths of love could be distinguished. 1) A path of sacrifice, where you’re focusing on loving a single (or very few) things and thus giving up all others. This is deep love. And then 2) a path of variety/exploration, where you’re loving many things at once. You have many different things in life that you’re giving your attention to, thus greater variety and “richness” of experience.
For me, love has often been synonymous with the path of sacrifice. I daydream about surrendering myself to one meaningful vocation and giving my all to it. But I came to realize that the second path is totally valid as well. In fact, it’s probably the path of most people (?). Also, you can have different phases in your life, when the way you love changes. You can experiment around.
Be in love in a way that works for you.