Is it rude to not always say “I Love You” back?

I usually ever only say I Love You when I’m overflowing with love that I can no longer express it through my action/affection. I show love more physically rather than verbally so sometimes saying I Love You feels a bit awkward.

On one hand if you say it back without actually meaning it is bad, on the other hand, if you don’t say it back at all it just makes things awkward.

Is it rude to not always say “I Love You” back?
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