The Question and Answer section for The Glass Menagerie is a great resource to ask questions, find answers, and discuss the novel.
Amanda imagines that a "gentleman caller" will be dashing and fall in love with Laura thus taking her away.
Tom thinks he is a popular guy who has influence while Jim is a potential suitor for Laura, which would free Tom of responsibility for her.
Do you have a quote for this? I can't seem to find it.