Answer:
Persons generally migrate to what is familiar to them
Explanation:
Homogamy is the marriage between two people that are similar to each other. The similarities are generally, in terms of age, culture, religion, ethnicity, socio-economic status and educational background.
Most persons subconsciously migrate to persons in their similar social class because these are the people that they are most familiar with and most likely is similar social circles. There is also less friction in a relationship since both parties share similar ideas and share similar goals.
Two examples of hetero-gamy are
In both of these cases, life did not go "as normal" for both of the parties involved. There were a lot of adjustments and compromises made and in the end the choice will be theirs to stay or leave in their relationship.