Experts like psychosexuologist Kateřina Klapilová note that the definition of sex has expanded beyond just intercourse to include a broader range of emotional and physical connection.

Recent sociological research, such as the , reveals significant shifts in how Czechs approach intimacy:

There is a widening ideological gap between generations regarding intimacy. Younger people are starting sexual lives later than previous generations, often influenced by the omnipresence of smartphones and virtual space.

From a medical perspective, the "sex" topic covers longevity and physiological differences: