Oh, nah. He definitely doesn't need any the thundershirts. Lol Delta took about 8 minutes to warm up to Santa... Doc was already looking for kisses. Lol He's so not afraid of anything... it blows my mind. He is so confident. Delta was definitely opposite... she is suspicious of EVERYTHING. Although, I wouldn't say she has anxiety with it. Just suspicious. Lol She'd probably make a great personal protection dog as she likes to access the situation first.