1 Across, Fast food outlet, principally cool and trendy in the 1960's (6)
4 Across, Old sailing vessel beginning to founder - I perish, sadly (4,4)
9 Across, Listless male is taking heroin after work (6)
10 Across, Being the marrying kind once, clairvoyant maybe accepts love (8)
Compiler - DAC
Many Thanks