Boyfriend passed away ๐Ÿ˜ž๐Ÿ’”

So my boyfriend passed away 2 weeks ago & my life has been a complete mess. My 8 yr old son who wasnโ€™t his is devastated & im losing my mind but being strong for him. Anybody here have any advise on how to help my son understand. Heโ€™s heartbroken & crying every night as so am I when e goes to sleep ๐Ÿ˜ž