It gives you a dopamine rush, thats why it helps with mood. How is your mood after coming down though? Not good i bet, because of the crash.

Depending on the amount of cbd in it, for it can help with anxiety, but the thc counters that by giving you the rebound anxiety when coming down. Your anxiety probably isn't that bad if you stepped away from it for a while once the thc is out of your body. Your only making any level of anxiety you have worse by smoking it.