The phrase "of your own making" refers to something that you have created or caused yourself. There are plenty of synonyms for this phrase, including "self-inflicted," "self-created," "self-induced," and "self-imposed." These terms all suggest that the situation or problem in question was brought about by the individual themselves and could have been avoided if different choices were made. Other synonyms for "of your own making" include "self-generated," "self-originated," and "self-manufactured." Regardless of which synonym is used, the meaning remains the same - that the individual is responsible for the situation they find themselves in.