Yes, that is correct. Semen works as an antidepressant. So throw away those "happy" pills, and get busy Winnipeg!
The following is based on a 2002 survey:
"Given vaginal absorptiveness and all the mood-elevating compounds in found in semen, Gallup, Burch, and SUNY colleague Steven Platek wondered if semen exposure might be associated with better mood and less depression. They surveyed 293 college women at SUNY Albany about intercourse with and without condoms, and then gave the women the Beck Depression Inventory, a standard test of mood. Compared with women who "always" or "usually" used condoms, those who "never" did, whose vaginas were exposed to semen, showed significantly better mood--fewer depressive symptoms, and less bouts of depression. In addition, compared to women who had no intercourse at all, the semen-exposed women showed more elevated mood and less depression.
Meanwhile, risky sex is usually associated with negative self-esteem and depressed mood. Among college women, risky sex includes intercourse without condoms, so we would expect sex sans condoms to be associated with more depressive symptoms, and more serious depression includingsuicide attempts. However, in the Gallup-Burch-Platek study, among women who "always" or "usually" used condoms, about 20 percent reported suicidal thoughts, but among those who used condoms only "sometimes," the figure was much lower, 7 percent, and among women who "never" used condoms, only 5 percent reported suicidal thoughts. (This study controlled for relationship duration, amount of sex, use of the Pill, and days since last sexual encounter.) So it appears quite possible that the antidepressants in semen might have a real mood-elevating effect."
source: Psychology Today