Depressive brainstate will make you think that those are unreasonably hard to achieve, and cause them to be unrewarding (except the drugs)
On a bad day people can find "go to shop and buy myself an icecream" an insurmountable challenge.
On a bad day people can find "go to shop and buy myself an icecream" an insurmountable challenge.
That being said, avoid weed on depression, and find dissociatives. The third person perspective on your life they provide can be a life saver. Just be careful as you can get quite intoxicated by this effect.