As you mention your weight is 165 if it is in kg so it is think to worry.
you should go to rule out the cause of excess weight .
as a primary investigation you should go for Thyroid
hormone (T3 T4 TSH) investigation.
Hot Sensation and high blood pressure
heavy weight usually associated with Thyroid hormone imbalance
You should consult to a Endocrinologist
For further evaluation
Ok Take care