I love a guy, but I want attention from other men

I love a guy, but I want attention from other men
Photo is illustrative in nature. From open sources.

I am 20 years old and have been in a relationship with a wonderful young man for a long time. In everyday life, we are ideal for each other, we are very used to it, we are comfortable together, we are planning to buy an apartment. But here's the problem. I don't feel like I've had enough. Every now and then I look to the left, I don’t make any body movements in the same direction, but the fact itself: I catch myself in the need for bright, ardent love, passion, I miss all sorts of uncertain glances, first kisses and the like.

I constantly fall in love with everything new that moves. But I understand that none of them suits me, and I won’t be as comfortable with anyone as with a real guy. I don't see the point in starting new onesrelationship , if the passion passes anyway, and life begins. I don’t want to change, I don’t even consider this option, I don’t want to hurt my loved one. He is an extremely wonderful person with whom you can calmly meet maturity, retirement and old age. Throwing him away is the stupidest thingan action that can only be done. What should I do? Or is it normal to be in a long-term relationship but feel something test-antibiotic.com for others? Just continue to innocently enjoy all the feelings that arise?

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