chafe - To be annoyed or lose patience because of rules or limits
Though Ted loved his father (and boss), he chafed under his father's strict supervision, and he was looking forward to the day when his father would retire so he could run the company himself.
senile - Used to describe behavior, mental states, or conditions associated with aging, especially when a person becomes forgetful or confused.
The elderly man showed symptoms of becoming senile, like forgetting where he put his keys, but with support, he managed to live independently for a while.