Close up of red haired woman. (Photo by David Oxberry/OJO Images/Getty Images)





Woman on phone in hotel room. (Photo by DreamPictures/Getty Images)





Afraid mixed race woman biting fingers. (Photo by Jose Luis Pelaez/Getty Images)





A woman hiding under a duvet. (Photo by Getty Images)





Woman frustrated using a computer. (Photo by Getty Images/Vetta/Stockphoto4u)





Terrified passenger on a plane. (Photo by Getty Images/iStockphoto)





In bed: woman can't sleep. (Photo by Ilbusca/Getty Images)





Bride crying in corner of room. (Photo by Hans Neleman/Getty Images)





Shocked woman looking at gift over gray background. (Photo by Dean Drobot/Getty Images/iStockphoto)





Stress with mathematics on a blackboard. (Photo by Mark Wragg/Getty Images)





A girl with vibrators on white background. (Photo by Neil Hall/Getty Images)





Woman fed up of partner. (Photo by Alamy Stock Photo)





A young couple arguing. Image shot 2012. Exact date unknown. (Photo by Alamy Stock Photo)





A 30 something woman with a missing tooth. (Photo by Sharon Dominick/Getty Images)





Annoyed woman on her phone. (Photo by Chris Rout/Alamy Stock Photo )





Overweight teen girl refuse to have vegetables. (Photo by Michael Jung/Getty Images)





A mother helping her daughter. (Photo by David J. Green/Lifestyle/Alamy Stock Photo)





Female shouting in a meeting. (Photo by Zak Kendal/Getty Images)





Business woman on park bench using mobile phone. (Photo by Dougal Waters/Getty Images)





Man with fear of flying. (Photo by Peter Dazeley/Getty Images)





Stewardess with megaphone. (Photo by Emmanuel Aguirre/Getty Images)





Woman looking at pregnancy test. (Photo by Brand New Images/Getty Images)





Angry girlfriend shouting at her boyfriend and holding female knickers isolated on white background. (Photo by Ljupco/Getty Images/iStockphoto)





Close up of very angry and stressed out bride, isolated on white background. (Photo by CareyHope/Getty Images)





Woman sat on plane two men asleep on her shoulders. (Photo by Peter Cade/Getty Images)





Portrait of shocked young woman rolling her eyes and staring at the camera. Studio shot, grey background. (Photo by Izabela Habur/Getty Images/iStockphoto)





Woman shouting at other woman, side view. (Photo by Henrik Sorensen/Getty Images)





Woman is annoyed because of the man who snores. (Photo by Grinvalds/Getty Images)