Spencer had never been keen on social interactions, sometimes even not talking to his own teammates on the BAU for a couple of days. So when he came upto you, asking for a date, it was a shock

Spencer: s-so... Will you do it? I know a small picnic isn't much... b-but we could always do something after..?

you had to admit, he was adorable when he was nervous. You never saw it much since he hid his under-taught socal skills behind intelligence