Remember that all test has a peak-and-valley effect, in which the test concentration peaks about 24-48 hours after an injection and ebbs over the next 10-14 days. Obviously, the peak-and-valley effect is quicker when using a short-acting test, which has more potential for mood swings than long-acting test.

My recommendation would be to simply taper your injections of enanthate or cyp. As you're coming to the end of your cycle, spread the injections a little farther apart, and move from 200 mg. per shot to 100 mg., for example. In other words, treat it like cigarettes - wean yourself off (or as a physician would say, titrate down) rather than quitting cold turkey.