Love it or hate it, Valentine’s Day is just around the corner, which might have you in the mood … for watching a romantic movie or two, which is exactly what streaming services are betting on this week. Not only is the J. Lo/Owen Wilson rom-com “Marry Me” landing on Peacock along with its simultaneous theatrical release on Friday, but almost every major streamer is releasing new romantic movies this weekend as well, which will be sure to freshen up your roster of old rom-com favorites. Launching on Amazon Prime Friday is “I Want You Back,” a film aiming to land in “When Harry Met Sally” terr…