I used to smoke at the theater, in the morning while working, in the evening after dinner, and it seemed to me that in giving up smoking I was going to strip the theater of its interest, the evening meal of its savor, the morning work of its fresh animation, he wrote in Being and Nothingness
doi: 10.1136/tc.2010.039321 White V, Williams T, Faulkner A, et al
So, if smoking too much pot led to you taking your ex for granted, to get her back, you need to show her (via your attitude, actions and behavior) that you have learned from your mistakes and have become a better man as a result
Nosebleeds are a common occurrence and usually harmless, although serious cases can occur