The sentence "Easing the anxiety and pressure of having a “big day” is part of the appeal for many couples who marry in secret." is most appropriately placed within the paragraph at option 2. The rationale is as follows:
The paragraph elaborates on the motivations behind couples choosing secret weddings over elaborate ceremonies, particularly in light of the Covid-19 pandemic and financial constraints. It identifies a rising trend in secret weddings, attributed to the significant stress and anxiety linked to conventional, large-scale weddings.
The sentence integrates logically into the passage in the following manner:
Consequently, the optimal placement for the sentence is within Option 2.