Yes, it is completely natural and normal to desire and be attracted to other people. That doesnt mean you want to build a relationship with them. It can even be a possible solution to re-spark your relationship or prevent infidelity. Yes, being with someone else can make you closer to your partner.
Do open relationships fail?
Ultimately, open relationships often fail due to a lack of honesty. The issue isnt so much the honesty between the two people in the relationship. Often, the person who wants an open relationship no longer wants to be with their partner. But they may not be honest enough with themselves to realize this.
Why does my partner want an open relationship?
Reasons you might consider an open relationship: You and your partner both have a lot of love to give and believe you can love more than one person at once. You want to explore your sexuality or sexual relationships with someone of a different gender. You and your partner have a case of mismatched libidos.
What percentage of men want an open relationship?
A YouGov poll of more than 23,000 Americans finds that about a quarter (25%) of Americans say they would be interested in having an open relationship. Men (32%) are more likely than women (19%) to say they would be interested in a non-monogamous relationship.