Ah, the duplicity of bipolar disorder. Many people report enjoying the manic aspect of the disorder. The downside is that mania can progress and result in some behaviors that are less than desirable. The depressive side of the disorder can be very debilitating. Has your doctor considered a mood stabilizer like lamictal? That can sometimes cover the breakthrough symptoms. It does seem like medications that worked in the past be no longer effective. Anticonvulsants are used as mood stabilizers and are frequently used with bipolar disorder. If you do not seem to stabilize a bit more with the lithium perhaps you could suggest a mood stabilizer to your doctor.

Have you tried to tutor? There is always a need for private tutors. Go to the local high school and let them know that you want to have your name on file so if students need help outside of school they can refer them to you. This will keep you busy, add a bit of income, and give you a sense of purpose. You can limit how much you do to suit your lifestyle. It may help with the depression if you are busy.

I wish I could tell you more. There is no magic bullet. Perhaps a mood chart would help you keep track of your condition. It is a great tool for your doctor, as well. He can see your progress and make alterations in medication accordingly. Trying to remember it all can be difficult. Google search mood chart. Many will come up so you will need to look at them and find one that you can do easily.

Hang in there. I hope the lithium does the trick. Let us know how you are doing.