Are you getting lots of it; you must be. What kind, and with who? No, you poor thing, you probably aren’t getting any. Are you, ahem, available? Sometimes people will actually voice these thoughts; in ways that most singles, regardless of sexual orientation or experience, find both offensive and intrusive.
Singlehood isn’t a behavioural trait, like flirtation. Nor is it a matter of orientation, like homosexuality. It can encompass such things, but it’s essentially a lifestyle choice, which governs a gamut of issues beyond sex.