Links:
[1] http://www.thefrisky.com/2016-04-08/better-boyfriend-app/
[2] http://www.askmen.com/sex/sex_education/how-erections-work.html
[3] http://www.huffingtonpost.com/kailyn-slater/why-i-chose-not-to-follow-my-boyfriend-to-college_b_9711720.html?utm_hp_ref=love--sex
[4] http://dearwendy.com/my-husband-promised-the-neighbor-kids-a-trampoline-in-our-back-yard-without-asking-me/
[5] http://collegecandy.com/2016/04/15/sex-calories-burned-workout-exercise-study-science-curtin-university/
[6] https://www.popsugar.com/celebrity/Liam-Hemsworth-Best-Instagram-Pictures-38594813?ref=40332598