she definitely doesn't swallow, but semen is good for the complexion, she should try it.
In sperm, a crystalline polyamine compound called Spermine can be found. This particular compound is also known as an antioxidant. It is believed to diminish wrinkles, smooth skin and help with taming or preventing acne.
it does seem to be their lot in life in this apartment; a, wear underwear a lot, b, lie in bed together with or without underwear and c, massage each other a lot.