The issue is not that anavar cuts your testosterone levels, as anavar itself can serve as an androgen replacement, a lot of people will use it for bridging between cycles, this was an especially popular method during Arnold's era. The PROBLEM lies in the lack of aromatization, as estrogen is a crucial part for a healthy hormone system and the ability to maintain erections. "Deca dick" is caused by elevated prolactin levels, inability to maintain erections on an anavar-only cycle is caused by other factors. Sevion is a child.
The Oxandrolone hormone does not carry any estrogenic related side effects. It does not aromatize and cannot lead to gynecomastia or water retention due to increases in estrogen levels. It further carries no progestin related activity, which again supports no estrogenic related side effects. Due to water retention being impossible with this steroid, this will decrease the risk of high blood pressure. Excess water retention can promote high blood pressure. Some steroids that do not aromatize can lead to high blood pressure, such as Trenbolone , but Anavar is rarely associated with this trait.
If you believe you are ready for one of the following cycles you will have many cycles under your belt, supplemented with numerous anabolic steroids , 5 is a good number and have learned how to not only have successful cycles but ones in-which side-effects are controlled. Further, to be ready for an advanced cycle you will be one who is able to maintain more gains after a cycle than you lose. Some gains will always be lost after a cycle is complete, this is a given but maintaining a majority of your gains is possible. If this is not possible for you then you need to reexamine your use, your diet and perhaps even your training.