From your first date to your first kiss, relationships are often seen as being solidified by a series of milestones.
For many of us, asking a coupled-up friend how long they waited before making another move with a new partner is common practice.
So when is the "right" time to take the next step with your new squeeze? A new survey may answer those questions once and for all.
Results from more than 2,000 men and women have mapped out the journey of an average long-term relationship, from the first time holding hands to having a child.
According to the UK-based research complied by dating service match.com, saying "I love you" generally takes place after around five months of dating.