Many of us have been in a similar position. It can be so tiring, it can wear you down.
Do you have access to a doctor or counsellor or someone like that? I've found, and I'm sure many here would agree, that talking to a professional really helps start uniting the knot we find ourselves in. Not all medical professionals are familiar with gender dysphoria, it's an emerging field, but many are.
If not, depending on what country you are in there are often support groups, etc.