Well you did speak to her again and make the suggestion.
While training, men would stop the action and make small suggestions to one another.
People make suggestions on what to say all the time.
They at least should have made a suggestion of some kind.
You are making a suggestion to someone for a particular action.
Of course, she might not have done it if he'd made the suggestion.
Where is the line between making suggestions about a project and taking it over?
"I will thank you not to make such a suggestion again."
"The three of us wanted to make a suggestion to you."
"I've only been waiting 30 years for somebody to make the suggestion."