Start What if you see a friend on a dating site

What if you see a friend on a dating site

No matter what the reason, make it clear that dishonesty won't be tolerated in your relationship, especially if you've notice a pattern that's likely to keep repeating.

Your relationship with this person should come down to one question, says Kelley Quirk, Ph D, a clinical research fellow at The Family Institute at Northwestern University: Do you like yourself less when you're around them?

"If you are confident in your values and you're not swayed by their influence, it might not be a problem," she says.

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"One person is always calling the shots, always making the plans—for simple stuff, like where you're going to eat dinner, and for more important issues, like where you're going to live." If you're truly okay with letting your partner make the majority of the decisions, this arrangement can be fine, she says.

"But often in a toxic relationship, one partner eventually gives up because they just don't feel heard."All too often, relationships go south when partners start to take each other for granted.

This type of behavior may be especially overlooked when a woman does it, she adds.