On the power and perils of free-will
You probably have a lot of excuses. I do. Sometimes science gives evidence to support them. Especially when it allegedly contradicts free will. But you do have free-will. This means that your character is your fault and you have to deal with it.
Origen, an ancient theologian, thought that since God had offered the grace of the gospel to all, every Christian must take responsibility for his entire spiritual state. For him, purity is essential to God's nature, but it is only coincidental to human nature and must be attained and maintained consciously.