Is this shady?

My SO works in the early morning. He drives around to stores as part of his job. He knows I usually sleep in until around 11 or so on the weekends. We have the "find my iPhone app" linked up so that we can share location because we live in a community where people are contantly disappearing and I have a ppo against a violent ex so I wanted him to be able to check up and make sure I'm safe (AGAIN, this has nothing to do with jealousy of keeping track of each other out of lack of trust). Well this morning, I woke up and decided to surprise my SO and take him breakfast to work (he's allowed to do so) so I tried to look up where he was or which store he was at. It showed him at the beach....no stores there. So I texted him and told him good morning and asked what he's been up to. He immediately left the beach after my text. He said "been working". He kept changing the subject and asking me other questions & being really upbeat, calling me "honey" a lot. After I asked a couple of other ways of asking, he told me "I drove by the beach". But that didn't sit right with me. So I asked a few more questions and asked how long he was there and he says "about a half hour" (which is not a "drive by" like he initially said). He then made me feel bad and said he was there relaxing and praying for a baby. I just find the whole thing a little odd and not like him. I'm not usually this skeptical. Should I just trust him and think he just didn't want to tell me he was there praying for a baby or think more of it? 

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