Many times when male and female friends are together, it is casual, even if there are some weird things, it is just as simple as thinking of it, so doing it.
But on some special days and special atmosphere, it means something profound. For example, if you say that your boyfriend drank this wine with you under what circumstances, you can judge whether he has it based on the environment and the topics you discussed at the time. Deep meaning, if you are eating at home and chatting suddenly and impromptu... I hope you will adopt it