I'm spending the happiest days imaginable.

I am spending the happiest days of all.

My grandfather is being seen by a specialist in geriatric medicine.

He is an excellent medical student.

She is studying traditional Chinese medicine and is utilizing that knowledge.

He is an expert in psychiatry.

From his story, I concluded that he was involved in the incident.

He lost everything.

She is planning a date with her current boyfriend.

My boyfriend gave me a gift.