Smoking at home:

1) turn shower on as hot as possible
2) cover bottom of door w/ towel
3) close any ceiling vent(s)
4) when steam starts up turn on the fan
5) toke up and blow in shower
6) clean up when done and let shower stay on for a few more minutes
then turn it off.
7) put shit away...
8) enjoy the bathroom that doesnt smell like weed for some miraculous reason