Dating: What to look for in a spouse

Igros Moshe (YD I #90) Question Is it a good idea to be cautious in dating and that more is better to make sure it is “the right one”? Answer :Regarding a couple dating excessively to make sure it is ‘the right one’. “One should not be overly smart with regards to shidduchim. Therefore, one could marry the woman that finds favor in his eyes in her appearance and has a good family, and has a good reputation about her mitzvah observance, and assume that she is the one destined to him from heaven. He does not need to excessively tryout if they are compatible because it will not help, as the verse says “tomim tihiyeh im Hashem”, you shall be faithful with Hashem”.