F9. I'm used to something = it is not new or strange for me. (e.g. Tom lives alone. He doesn't mind this because he has lived alone for 15 years. It is not strange for him. He is used to it. He is used to living alone.)
a. After be/ get used, we cannot use the infinitive (to do/ to drive etc.). (e.g. She is used to driving on the left. (not She is used to drive)
b. When we say 'I am used to something', to is a preposition, not a part of the infinitive. (e.g. Tom is used to living alone. (not Tom is used to live))
c. I am used to (doing) something = it is not strange or new for me. (e.g. I am used to the weather in this country.) vs. I used to do something = I did it regularly in the past but no longer do it.) We can use this only for the past, not for the present. (e.g. I used to drive to work every day, but these days I usually go by bike.)
Idiom 365
Not My Cup of Tea: do not like it or interested in it.
Example: Many people really like Picasso’s paintings. Just that is not my cup of tea.