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An intimacy expert has revealed the six tell-tale signs that suggest your partner might be picturing someone else during sex.
Julia Stein has explained how picking up on certain behaviours in the bedroom can help you work out whether your suspicions are right or not.
According to the sex consultant and relationship advisor at Drachen Toys, who is based in Berlin, it's pretty normal for people to daydream about their crushes. However, this can quickly become a problem if a person's imagination starts to impact their real-life intimate relationship with their other half.
"Everyone’s imagination shows up in the bedroom sometimes," Stein told Vice. "It becomes a concern when fantasy replaces connection instead of enhancing it.
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"Most people fantasise, and it doesn’t always mean dissatisfaction," she said, explaining couples should communicate 'about what feels off and what kind of intimacy you both want'.
So, if you suspect you don't have your partner's undivided attention during sex, Stein says you should be aware of these common signs which might confirm your hunch.

Eye contact
The first thing you should be keeping an eye out for is where your other half is looking while you're getting down to business. The relationship guru explained that eye contact is 'the simplest form of intimacy', so when one person is glancing away or completely shutting their peepers, it can be 'unsettling'.
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"If your partner looks away or seems far off, it might mean their mind’s gone somewhere else," Stein said.
Disconnect
If you think your partner is being distant and emotionally detached during sex, another person might be the cause of their distraction.
Stein explained that you can easily tell the difference between 'feeling comfortable and feeling disconnected', and when the latter happens, it might be because their mind has wandered.
She noted: "That drop in energy often means their focus is somewhere else."
Bold suggestions
Experimenting and trying new things is fun and all, but if it doesn't match the usual freak you and your partner have, Stein says this could be a red flag.
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Being adventurous in bed isn't a bad thing, but the sex consultant says 'oddly specific' suggestions which 'appear out of nowhere' tend to always have a source.
According to Stein, it could mean that your partner has been pondering over a certain fantasy for a while.
A change in pace
After a while, couples master their chemistry in the bedroom and really find their rhythm.
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So if you suddenly start to feel out of sync and it's happening on a regular basis, it could be a sign that another person is on your significant other's mind.
If this becomes a common occurrence rather than a one-off, Stein reckons that their 'energy might be feeding a fantasy' rather than an intimate moment with you.
Repetition
The sex and relationships expert also believes that repetition during intercourse is a bad sign.

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Recycling the same phrases and moves is 'usually [the result of] a private fantasy running in their brain', Stein said.
This can 'give away' the fact that your partner has someone other than you in their head.
A rush job
If there's a lack of affection and your partner is performing at breakneck speed, Stein says that a fantasy about another person might be to blame.
When a person appears to be in some sort of a rush while also seeming detached, it might be a sign that their mind is elsewhere.
"Distraction shows up as impatience or indifference," Stein said.
Topics: Sex and Relationships, News, Dating trends