It as good a reason as any to try poly. But, I would suggest making sure it is something that fits you in a deeper way. If you see yourself loving more than one, how do you feel about partner's loving more than you? Polyamory can be difficult for some because it can require a high emotional resources, a great degree of flexibility and the willingness to deal with things you find uncomfortable to a much greater degree than monogamy usually does.
Keep exploring and figure out if it fits for you.
After that, you'll need to figure out how to introduce it to your partner. It would be good to know whether or not you think it's a deal breaker for you or not. If he's not willing to walk this path with you, will you stay monogamous with him? How strong is the pull for others? etc.
Male, Straight, Poly
“Instead of getting better and better at avoiding, learn to accept the present moment as if you had invited it. And work with it instead of against it. And making it your ally rather than your enemy.”