A study conducted on different subjects says that marijuana use created opportunities for intimacy, ranging from the emotional to the physical. This increased intimacy remained even if only one partner used marijuana, disproving other studies that claim that personal drug use adds stress to a relationship. The study’s definition of an intimate experience was wide, ranging from sex and meaningful conversations, to interactions that expressed love, support and care. RELATED: The Fascinating Role Marijuana Plays In Sex Couples were asked to write a brief report each morning, indicating whether they’d consumed marijuana and if they’d had an “intimate experience” with their partner, specifying the time of this encounter. Not a lot of studies have been conducted on personal marijuana use, much less about the effect that the plant can have on couples.